Decoding the 2 Channel Amp Wiring Diagram: Implications for the Car Audio Industry
By: Dr. Elias Vance, PhD in Electrical Engineering, 15+ years experience in automotive electronics design and Professor of Electrical Engineering at the University of California, Berkeley.
Published by: Sound & Vision Tech, a leading publisher in the automotive electronics and audio industry, known for its rigorous fact-checking and commitment to accuracy.
Edited by: Ms. Anya Sharma, Senior Editor at Sound & Vision Tech, with over 10 years' experience editing technical publications in the automotive and electronics sector.
Summary: This article provides a comprehensive guide to understanding and interpreting 2 channel amp wiring diagrams. It delves into the intricacies of these diagrams, explaining their importance in car audio systems, highlighting common mistakes, and exploring the broader implications for the car audio industry.
Keywords: 2 channel amp wiring diagram, car audio amplifier wiring, amplifier installation, stereo amplifier wiring, 2 channel amp installation, car audio wiring diagram, audio amplifier wiring, power amplifier wiring diagram, speaker wiring diagram, automotive electronics.
Understanding the Fundamentals of a 2 Channel Amp Wiring Diagram
A 2 channel amp wiring diagram is a visual representation of how to connect a two-channel amplifier to a car's electrical system and speakers. These diagrams are crucial for proper installation, ensuring optimal audio performance and preventing damage to the amplifier or vehicle's electrical components. The diagram typically illustrates the connections for the power source (battery), ground, remote turn-on wire, speaker outputs, and input signals (from the head unit). Understanding a 2 channel amp wiring diagram is essential for anyone installing a car audio system, whether they're a professional installer or a DIY enthusiast.
The complexity of a 2 channel amp wiring diagram can vary depending on the amplifier's features. Basic diagrams show straightforward connections, while more advanced amplifiers might incorporate features like high-pass and low-pass filters, requiring a more detailed understanding of the diagram’s notations and color-coding. Mastering the 2 channel amp wiring diagram is the cornerstone of successful car audio installations.
Decoding the Components of a 2 Channel Amp Wiring Diagram
Let's break down the key components you'll encounter in a typical 2 channel amp wiring diagram:
Power Wire (+): This heavy-gauge wire connects the amplifier to the vehicle's battery, supplying the necessary power for amplification. The gauge of this wire is critical; using a wire that's too thin can lead to voltage drops and reduced performance.
Ground Wire (-): This wire provides a return path for the current to flow back to the battery, completing the electrical circuit. A secure and clean ground connection is essential to prevent noise and interference.
Remote Turn-On Wire: This wire, usually blue or blue/white, triggers the amplifier to turn on and off when the head unit is switched on or off. This prevents the amplifier from drawing power unnecessarily when the system is not in use.
Speaker Output Wires: These wires carry the amplified audio signal from the amplifier to the speakers. They're typically color-coded, often with positive (+) and negative (-) markings for each channel.
Input Wires: These wires receive the audio signal from the car's head unit. They are typically RCA (Radio Corporation of America) connectors.
Fuse: A crucial safety component, the fuse protects the amplifier and the vehicle's electrical system from damage caused by short circuits or power surges.
Common Mistakes in 2 Channel Amp Wiring
Improper wiring is a common cause of audio problems and potential damage. Here are some frequent errors:
Incorrect Gauge Wiring: Using undersized power wires can lead to significant voltage drops, resulting in reduced power output, distortion, and potential overheating.
Poor Ground Connection: A bad ground connection can introduce noise and hum into the audio signal. A clean, secure ground connection to a bare metal surface is essential.
Reversed Polarity: Connecting the speaker wires with reversed polarity can damage the speakers and the amplifier. Always double-check the polarity before connecting the wires.
Incorrect Fuse Rating: Using a fuse with an incorrect rating can either fail prematurely or allow excessive current to flow, causing damage to the amplifier.
Improper Remote Turn-On Connection: Incorrectly wiring the remote turn-on can lead to the amplifier constantly running, even when the head unit is off, potentially draining the battery.
Implications for the Car Audio Industry
The understanding and proper application of 2 channel amp wiring diagrams are fundamentally important for the car audio industry. Professional installers rely on this knowledge for reliable and efficient installations. The accuracy of these diagrams directly impacts customer satisfaction and the reputation of installers and retailers. Furthermore, the development of new amplifier technologies often necessitates updated wiring diagrams and installation procedures, requiring ongoing training and skill development for professionals in the field. The widespread use of digital signal processing (DSP) amplifiers, for instance, adds another layer of complexity to 2 channel amp wiring diagrams.
The Future of 2 Channel Amp Wiring Diagrams
The evolution of car audio technology continues to impact the complexity of 2 channel amp wiring diagrams. The integration of digital signal processing (DSP), advanced power management techniques, and remote control capabilities necessitates a deeper understanding of these diagrams. Furthermore, the increasing popularity of custom installations requires specialized wiring knowledge and careful planning.
Conclusion:
The 2 channel amp wiring diagram is a fundamental element of car audio installations. Understanding its intricacies, common pitfalls, and evolving complexities is crucial for both professional installers and DIY enthusiasts. Proper installation, guided by a clear understanding of the wiring diagram, ensures optimal audio performance, protects equipment, and enhances the overall listening experience.
FAQs:
1. What size power wire do I need for my 2-channel amp? The required gauge depends on the amp's power output. Consult the amplifier's specifications or a wiring calculator to determine the correct gauge.
2. What happens if I reverse the speaker wire polarity? Reversed polarity can damage both the speakers and the amplifier.
3. How do I identify the remote turn-on wire? Consult your amplifier's manual or use a multimeter to identify the wire that receives power when the head unit is turned on.
4. Why is a good ground connection important? A good ground connection prevents noise and interference in the audio signal.
5. What happens if I use a fuse with the wrong rating? An under-rated fuse can blow too easily, while an over-rated fuse can fail to protect the system from damage.
6. Can I use a 2 channel amp to power more than 2 speakers? Yes, but you'll need to use a passive crossover network to split the signal appropriately.
7. How do I know if my amp is getting enough power? Voltage drops indicate insufficient power. Use a multimeter to measure voltage at the amp's power terminals.
8. What is the difference between a 2-channel and a 4-channel amplifier? A 4-channel amp can power four speakers independently, while a 2-channel amp can power two.
9. Where can I find a 2-channel amp wiring diagram for my specific amplifier? The diagram is typically found in the amplifier's manual or on the manufacturer's website.
Related Articles:
1. Choosing the Right 2 Channel Amplifier for Your Car Audio System: This article guides you through selecting the appropriate amplifier based on your needs and budget.
2. Troubleshooting Common Car Audio Amplifier Problems: This article offers step-by-step solutions to resolve common issues in car audio installations.
3. Advanced Car Audio Wiring Techniques: This article explores more complex wiring configurations and techniques.
4. Installing a Subwoofer with a 2-Channel Amplifier: This article provides a detailed guide to adding a subwoofer to your 2-channel system.
5. Understanding Car Audio Signal Processing (DSP): This article explains how DSP can enhance the audio quality of your car audio system.
6. The Ultimate Guide to Car Audio Wiring Kits: This article compares and reviews different car audio wiring kits available.
7. High-Level vs. Low-Level Inputs in Car Audio Amplifiers: This article explains the differences between high-level and low-level input types.
8. Car Audio Power Wire Gauge Calculator: This article provides a tool for calculating the correct power wire gauge based on amplifier power and distance.
9. Understanding Impedance Matching in Car Audio Systems: This article explains the importance of impedance matching to ensure optimal speaker performance.
May 2, 2021 · SoundCertified.com Wiring diagrams for 1 to 4 subs at 4Ω per voice coil with mono (single) and 2 channel amps for the best compromise of Ohms & power.
Fusion® ApolloTM Multichannel Amplifiers Installation …
Use a 2-channel RCA cable (not included) to connect the RCA zone line out connectors from the stereo to the RCA input ports for the appropriate zone on the amplifier (Signal and Speaker …
2-Channel Amplifier USER GUIDE - Pyle USA
2-Channel Amplifier USER GUIDE About PyleUSA Pyle, founded in the 1960s, has evolved into a renowned manufacturer of high-quality advanced woofers. Our journey started with the iconic …
TWH602 604 300D 说明书.cdr - Blaupunkt
a channel-pair is bridged, the recommended minimum load impedance is 3Ω for subwoofer use, and 4Ω for full range operation. Although operation with lower impedances is not likely to cause …
TWO CHANNEL LINE OUTPUT CONVERTER WITH ACCUBASS …
Before drilling holes, take every precaution to prevent damage to fuel lines, power and other electrical wiring, hydraulic brake lines, and other systems that might comprimise vehicle safety. …
2 Channel Line Output Converter (LOC) with Amp Turn-On
2 Channel Line Output Converter (LOC) with Amp Turn-On The Line Output Converter (LOC) should be installed on a stereo’s speaker output wires or the output w. res on an OEM amplifier …
2-Channel Amplifier - Parts Express
MRV-F357/307/T707/T407 - Alpine USA
2/1 Channel Power Amplifier OWNER'S MANUAL Please read this manual to maximize your enjoyment of the outstanding performance and feature capabilities of the equipment, then …
XDA91RB, 92RB, 94RB - Jensen Mobile
Begin by routing the power +12V wire from the battery to the amplifier location. Use a grommet when running wires through the firewall or metal openings. Avoid running the power wire near …
2 Channel Amp Wiring Diagram (2024) - x-plane.com
A 2 channel amp wiring diagram is a visual representation of how to connect a two-channel amplifier to a car's electrical system and speakers. These diagrams are crucial for proper …
2 Ohm Stable Amplifier 4Ω SVC Subwoofer Wiring Diagra
May 2, 2021 · - The amp will deliver its max. rated power. Each subwoofer gets 1⁄2 of the power output. 2Ω STABLE + - AMPLIFIER (2 CHANNEL) + - Total per channel: 4Ω Result: OK - This …
User Manual of Product 1: Scosche LOC2SL Line Output …
TER INTRODUCTION The LOC2SL converts speaker wire (high level) to RCA (low level) outputs for the purpose of adding a 2-channel or mono amplifier to a. ctory or aftermarket stereo …
R2-250X1 R2-500X1 R2-1200X1 R2-750X1 AMPLIFIERS R2 …
Wiring the System If you do not feel comfortable with wiring your new unit, please see your local Authorized Rockford Fosgate Dealer for installation. Before installation, disconnect the battery …
AX-MLOC720 Installation Instructions - Metra Online
Built-in Amplifier Remote Generator. The LOC is designed to convert (2) channels of speaker level audio into (2) channels of line level audi. that can be used by OEM amplifiers. It can also …
ManualsLib - Makes it easy to find manuals online!
Begin by routing the power +12V wire from the battery to the amplifier location. Use a grommet when running wires through the firewall or metal openings. Avoid running the power wire near …
4 Ohm Stable Amplifier 2Ω DVC Subwoofer Wiring Diagra
May 4, 2021 · fier 2Ω DVC Subwoofer Wiring Diagram SoundCertified.com This diagram shows how to wire subwoofers for a 4Ω stable amplifier (mono or each channel for multi-channel …
2 Ohm Stable Amplifier 2Ω SVC Subwoofer Wiring Diagram
May 2, 2021 · This diagram shows how to wire subwoofers for a 2Ω stable amplifier (mono or each channel for multi-channel amps) for the best compromise between Ohms load and power …
SoundCertified How To Wire A 4 Channel Amp To 4 Speakers …
SoundCertified How To Wire A 4 Channel Amp To 4 Speakers And A Subwoofer (Diagram And Notes)
9. INSTALLATION / WIRE CONNECTION GUIDE - Clarion
External amplifiers can be connected to the 4 channel RCA output connections. Ensure that the connectors are not grounded or shorted to prevent damage to the unit.
Planet Audio Car Amplifiers User Manual
AC1800.5 Five Channel 5 Connecting the amplifier MOSFET Car Audia Amplifier e Low level input wiring AC1500.1M MonoBlock Ill High level input wiring AC2500.1M MOSFET Car Audio …
“GREAT SOUND FROM TWO CHANNEL LINE OUTPUT …
AccuBASS® Level control AccuBASS® Threshold control 3. If you hear a spot where the bass just drops right out…stop. Leave the volume there and go to your LC2i.
2 Ohm Stable Amplifier 2Ω DVC Subwoofer Wiring Diagram …
May 2, 2021 · 2 Ohm Stable Amplifier 2Ω DVC Subwoofer Wiring Diagram This diagram shows subwoofer wiring for the best compromise between Ohms load and power output. Wiring for 1 …
2 Channel Amp Wiring Diagram - biko.up.edu.ph
2 Channel Amp Wiring Diagram 2 channel stereo to 5.1 surround - AVS Forum Your receiver can use the PLIIx or Neo6 or any of Onkyo DSP modes to create surround ambiance from "any old …
2 Channel Amp Wiring Diagram - biko.up.edu.ph
2 Channel Amp Wiring Diagram Wiring a Crompton Parkinson single phase motor Here is a wiring diagram of a Capacitor Start single phase motor. Note that in this, and most diagrams …
FUSION SG-DA41400 Class-D Marine Amplifier - Garmin
11-13/16 x 8-1/4 x 2” Power Ratings 150W RMS x 4 @ 4Ω 1% THD+N 220W RMS x 4 @ 2Ω 1% THD+N 440W RMS x 2 @ 4Ω Bridged 1% THD+N INSTALLATION GUIDELINES 1. Ensure …
User / Installation Manual Marine Amplifier
• Gold Plated RCA Output for multi-amp Installations ... 4 CHANNEL • FULLY REGULTED 2 OHM STABLE • Bridgeable MOSFET Amplifier FM-504 FM-504 ... , make certain the correct cable …
CONNECTSERIES - LEA Professional
benefits of a bridged output channel without sacrificing an amp channel. channel of an LEA Connect Series amplifier. For example, on a Connect Series 4 channel product, you can put …
ManualsLib - Makes it easy to find manuals online!
outputs 0lug the 2#!s from the head unit into either the front or rear channel !ll amplifier inputs will receive a signal. 4here is no fader function when using mode. 3elect mode if the head unit has …
BLAUPUNKT AMP1504
Series wiring ... !Q = * Þ<Íú dcf Y¥ <Å+ êdhOË ·ªð!©·"P =%¸PÚ<ÅÍú# Í,ª. Connection Diagram Start up Connect the amplifier's output to drivers Pole CAR AMPLIFIER HI WARNING Positive …
2 Channel Amp Wiring Diagram - bgb.cyb.co.uk
2 Channel Amp Wiring Diagram Semiflush Approach 20 Amp, 500 Watt Light ,1986 Audio Amateur ,1989 Organizational Maintenance Manual ,1978 NASA Technical Note ,1962 The …
2 Channel Amp Wiring Diagram Full PDF - x-plane.com
A 2 channel amp wiring diagram is a visual representation of how to connect a two-channel amplifier to a car's electrical system and speakers. These diagrams are crucial for proper …
Figure 1 | Navigating the FDP Sport V2 Controls
Figure 3B | 2 Channel Bridged Stereo Mode Wiring Diagram FDP SPORT V2 FDP SPORT V2. 6 3 CHANNEL STEREO & BRIDGED MONO MODE INPUTS ... 2. If the amp is cold and the …
KICKER Subwoofers & Boxes Wiring Diagram - Sonic …
Single Voice Coil Wiring Options The following diagrams are the most popular wiring configurations. They show a typical single channel wiring scheme. Check the amplifier's …
Quick Start C Installation Guide - CARiD
combine the right and left channel signals in the MONO position to improve bass performance. Select MONO only when the amp is being used for subwoofers. The XOVE e switch sets the e …
PLMRMP3A - PLMRMP3B - PLMRMB4CW - PLMRMB4CB - …
4-Channel Amplifier PLMRMP3A - PLMRMP3B - PLMRMB4CW PLMRMB4CB - PLMRKT4A - PLMRKT4B. 2 www.PyleUSA.com About PyleUSA Pyle, founded in the 1960s, has evolved …
4 Channel + Subwoofer Drive Power Amplifier MRV-F303
CHANNEL-1/2 CHANNEL-3/4 CHANNEL-5 GAIN CROSSOVER GAIN CROSSOVER GAIN INPUT CHANNELFILTER 4/3/2 CHANNEL + SUBWOOFER DRIVE POWER AMPLIFIER …
2-channel ® ® audiofor fanatics - rockfordfosgate.com
wiring connections I N S T A L L A T I O N ... AGU 50 amp fuse (Power 500 2-channel & Power 800 4-channel) (1) Remote Punch Bass (replacement part #WP-2429) (1) 15' Remote Punch …
CAR AUDIO POWER AMPLIFIER OWNER’S MANUAL
• Fuses: 25A x 2 CS60.2 • 60W RMS x 2 channels at 4 ohms and ≤1% THD + N • Signal-to-noise ratio: 86dBA (reference 1W into 4 ohms) • 80W RMS x 2 channels at 2 ohms, 14.4V supply …
6 Speakers 4 Channel Amp Wiring Diagram (2024) - x …
A 6 speakers 4 channel amp wiring diagram can present unique troubleshooting challenges. Common problems include: No sound from certain speakers: Check all connections, ensuring …
ChannelPlus H21XL - H27XL Series 2 Installation Instructions
ChannelPlus H21XL - H27XL Series 2 Installation Instructions The ChannelPlus XL Series 2 - Two Channel Programmer. Each channel offers up to three programmed operating periods per …
FDP 6.900 V2: 6-CHANNEL AMPLIFIER - Focal America
The LEVEL control on channel 1+2 and channel 3+4 need to be set identically Adjust channel 1+2 HPF to 70 Hz Adjust channel 3+4 HP to 70 Hz ... Check 80 AMP fuse at battery. 8. Check fuse …
Marine Stereo Receiver Power Amplifier - Pyle USA
5. Follow the wiring diagram carefully. Verify you’ve connected them correctly. CAUTION! Connect the unit to a 12 Volt power source with adequate ground. 6. Now that your wires are …
BDA1000.4D BDA1400.4D/BDA2000.4D 4 CHANNEL …
The 2 and 4 channel amplifiers will perform into 2 Ohm stereo loads or 4 Ohm bridged loads. DO NOT run 2 Ohm bridged loads on AND CIcada Audio amplifers. They will work, but will over …
Owner’s Manual - Skar Audio
Skv2-1300.2AB @ Stable into 2ohm stereo for Skv2-100.4AB Skv2-200.4D @ Full range digital circuit for SKv2-200.4D @ High speed mosfet power supply @ 24dB/Oct, Variable Crossover …
2 Channel Amp Wiring Diagram - biko.up.edu.ph
2 Channel Amp Wiring Diagram Sony STR-AZ7000ES 13.2 Channel 8K Receiver Review - ES The STR-AZ7000 is rated at 150 watts per channel with 2 channels driven. It will be less …
MX SERIES MULTI ZONE AMPLIFIER OWNER’S MANUAL
pair for the right channel by connecting the right audio signal to the L input of a second channel pair, setting the Stereo/ ... above. Note: The three position switch needs to be set to “Line In” …
QSC Audio Products
F* ÿ þ-ÿ `w K endstream endobj startxref 0 %%EOF 1147 0 obj >stream hÞäV[L W þÏì,,3»ë rQYºâŠ(¨‹ ^X`T D€ o¬ ª.¶ +‹Šu€ Y`Ù]Iš6ÍZ›Ô¾4š6íCk3 ‰íƒ6¤iRckÅÔÔVÓ–Ø kš¶g.;;» …
PC2400 / PC2600 / PC21400 OWNER’S MANUAL
FRONT ENDPLATE DIAGRAM ADDENDUM SPEAKER WIRING WARRANTY. for choosing PrecisionPower audio epuipment. At PrecisionPower we ... 100 WRMS x 2 @ 4Ω per channel …
KX Amplifier - KICKER
System Diagram The following diagrams show the most common configurations for your system. Stereo Four Channel Operation KX.4 amplifiers are capable of operating into a minimum …
SK-M manual 2018 rev1 - Skar Audio
SK-M9005D : 2 ohm stereo or 4 ohm bridged for CH1 - CH4 and 2 ohm mono for CH5. Remote Turn on +12V SOURCE 4-4. Power, remote & ground connection BATTERY Fuse Fuse Rate …
Power 1000 Mosfet Owner's Manual - Rockford Fosgate
If you are using the amp in bridged stereo or 2-channel mode adjust only the controls labeled 2-channel/4-channel front. If you are using a fader or crossover before the amplifier then adjust …
2019 CXA 5-Channel Amp Rev F - KICKER
Wiring: Disconnect the vehicle’s battery to avoid an electrical short. Then, connect the ground wire to the ... minimum impedance of 2 ohms per channel (AMP1, AMP2, and SUB channels) …
Triad Installation Guide - AVS Forum
2 Table of Contents Triad Speakers PowerSub Information and Installation Instructions Page: Triad PowerSub Amplifier Features 3 New Construction Installation 4 Triad PowerSub …
2-Channel Amplifier USER GUIDE
2. Caution Near Critical Components: Take special care when working near the gas tank, fuel lines, hydraulic lines, and electrical wiring. 3. Operating Ampli˜er: Never operate the ampli˜er …
1999 Punch 2-channel amplifier - Rockford Fosgate
Per channel into a 2 Ω Load 80 Watts x 2 80 Watts x 2 160 Watts x 2 210 Watts x 2 330 Watts x 2 480 Watts x 2 Per channel into a 4 Ω Load 50 Watts x 2 60 Watts x 2 100 Watts x 2 140 Watts …
Pyle Amplifiers User Manual - CARiD
High Performance 600 Watt 2 Channel Bridgeable MOSFET Amplifier general features · 250 Watts x 4 Output. ... 2 ch amp PLMRA220 speaker connections power fuse power terminals …
ACS COMPACT CLASS A/B AMPLIFIER Owners Manual
Jul 6, 2017 · chassis are for protecting the amp against over current situation. To protect the vehicles electrical system, an additional fuse should be used within 18-inches of the battery on …
USER S MANUAL STEREO POWER AMPLIFIER - Pyle USA
2 CONTROLS 1. Power ON LED Indicator: Lights to indicate power is turned ON. 2. Treble Tone Control: Lets you boost or attenuate treble for the desired sounds. ... If necessary, replace it …
HOW TO USE THIS INSTALL GUIDE - iDatalink
Apr 14, 2023 · amp turn on output 1 output 2 output 3 front rear n.c. wiring diagram step 1 dfo2 t-harness (ver 2.0) to amp turn on input maestro ar module connect to oem radio connector step …
Series, Parallel, and Series-Parallel Speaker Wiring - KICKER
electrical circuits. When wiring speaker voice coils, it is very important to observe the polarity in both series and parallel wiring of speakers. Series Wiring: When wiring two or more voice coils …
A1000 Power Amplifier - Voxx International
A1000 Amplifier Wiring Instructions This section explains how to wire the A I (X){) power amplifier to your vehicle system. Important: If wiring connections are made wrong, the unit will not …
Wiring Diagram Car Audio System - essihamse.wordpress.com
for the wire out diagram. Modified Life features car stereo wiring diagram, car radio wire schematic and car designs This is the next chapter in my SQ or SQL car audio system build. Car Audio …
Subwoofer 2 Channel Amp Wiring Diagram - crm.hilltimes.com
Subwoofer 2 Channel Amp Wiring Diagram: ... device as a new musical instrument and resource for musical ensembles Motor 1988 General Motors Wiring Diagram Manual ,1989 The Car …
WIRING / INSTALL INSTRUCTIONS IM Channel Letters-Lit …
line and/or UL approved Class 2 Power Supplies (see wiring example). When Class 2 wiring circuits are located in a concealed space, such as above a : suspended ceiling, or passing …
car audio power amplifier owner’s manual - JBL Support
2 ohms. 3 GTO Amplifier (partial end panel) Subwoofer – + MODE FREQ HP LP FLAT GTO75.2 (partial end panel) + – GTO Amplifier Subwoofer Subwoofer + – Figure 2.GTO subwoofer …
EV DOWNLOAD 1 - Sound Storm Labs
11 2CH Power and Speaker wiring 6 9 Low level input wiring High level input wiring 4 5 Mounting the amplifier Connecting the amplifier 4 4 General precautions Installation precautions …
GENUINE JBL P-7520, P-7540, P-2510 Owner’s Manual
(2-channel on P-7520, 4-channel on P-7540). 3. Pre-amp Level Output Connector – ... 2 4 6 12 5 P-2510 Wiring the Power Connections Refer to diagrams on pages 3 and 4 for connector …
XTR/HCCA x-over Manual - bcae1.com
Wiring Diagram 2 3 4 1 5 1. -15 Volts 2. Left Input 3. Ground 4. Right Input 5. +15 Volts DIN Plug Diagram Technical Brief: How to properly set a 2 channel XTR or HCCA amp with X-over …
AMPLIFIERS - Rockford Fosgate
Wiring the System 18-19 Operation ... 2/4 Channel Switch Subwoofer Input Switch Infrasonic Filter Punch EQ 20 Troubleshooting 21 Limited Warranty Information Specifications CEA 2006 …