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  1. Home
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  3. Discontinued Boss Car Audio & Electronics
  4. Discontinued Boss Car Amplifiers
  5. Discontinued Boss Monoblock Amplifiers

Discontinued Boss Monoblock Amplifiers

Deep, powerful bass is at the heart of Boss's Monoblock Amplifiers.

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Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
Amplifier Key Features
Amplifiers can offer a diverse array of features. If you select more than one feature, then you will view amplifiers that have ALL features selected. These include speaker-level inputs that facilitate seamless integration with factory audio systems, Bluetooth connectivity suitable for ATV/UTV or Classic vehicle setups, built-in DSPs that provide enhanced control over your audio signal, and a host of other functionalities to explore.
Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.
Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
Remote bass/level controller
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Sonic Certified Amplifier
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Amp Bluetooth Connectivity
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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Boss CE3800D

3800W Chaos Epic Series Monoblock Power Amplifier with Line and Speaker Level Inputs

CE3800D big DISCONTINUED
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Boss CE3800D

3800W Chaos Epic Series Monoblock Power Amplifier with Line and Speaker Level Inputs

Chaos Epic Series Monoblock Power Amplifier • 3800W Max • MOSFET Power Supply • LED Power and Protect Indicators • Variable Input Gain Control • 2-Way System Protection Circuitry • Heavy Duty Black Anodized Aluminum Heatsink

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Chaos Epic Series Monoblock Power Amplifier • 3800W Max • MOSFET Power Supply • LED Power and Protect Indicators • Variable Input Gain Control • 2-Way System Protection Circuitry • Heavy Duty Black Anodized Aluminum Heatsink

Boss AR2000M-OPEN BOX

2000W Max Monoblock ARMOR Series Class A/B Car Amplifier

AR2000M big DISCONTINUED
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Boss AR2000M-OPEN BOX

2000W Max Monoblock ARMOR Series Class A/B Car Amplifier

• RMS: 1000W x 1 @ 4 ohm
• Peak: 2000W x 1 @ 2 ohm
• Wired Bass Remote Included
• Bass Boost 0-18 dB
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 13-1/3"W x 5"D x 2-8/10"H

• RMS: 1000W x 1 @ 4 ohm
• Peak: 2000W x 1 @ 2 ohm
• Wired Bass Remote Included
• Bass Boost 0-18 dB
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 13-1/3"W x 5"D x 2-8/10"H

Boss CE2800D

2800W Chaos Epic Series Monoblock Power Amplifier with Line and Speaker Level Inputs

CE2800D big DISCONTINUED
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Boss CE2800D

2800W Chaos Epic Series Monoblock Power Amplifier with Line and Speaker Level Inputs

Chaos Epic Series Monoblock Power Amplifier • 2800W Max • MOSFET Power Supply • LED Power and Protect Indicators • Variable Input Gain Control • 2-Way System Protection Circuitry • Heavy Duty Black Anodized Aluminum Heatsink

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Chaos Epic Series Monoblock Power Amplifier • 2800W Max • MOSFET Power Supply • LED Power and Protect Indicators • Variable Input Gain Control • 2-Way System Protection Circuitry • Heavy Duty Black Anodized Aluminum Heatsink

Boss RT2500D Class D RIOT Series

RT2500D big DISCONTINUED
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Boss RT2500D Class D RIOT Series

2500 watts, Class D MonoBlock RIOT Series amplifier • Bass Boost • Remote sub level control

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2500 watts, Class D MonoBlock RIOT Series amplifier • Bass Boost • Remote sub level control

Boss CX2000M

2000W Max Monoblock Chaos Exxtreme Series Amplifier (CX-2000M)

CX2000M big DISCONTINUED
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Boss CX2000M

2000W Max Monoblock Chaos Exxtreme Series Amplifier (CX-2000M)

Chaos Exxtreme Class AB Monoblock Car Amplifier • 500W x 1 chan. @ 4 ohm • 2000W x 1 chan Max • Speaker-level inputs with soft turn-on • Thermal and short circuit protection circuitry

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Chaos Exxtreme Class AB Monoblock Car Amplifier • 500W x 1 chan. @ 4 ohm • 2000W x 1 chan Max • Speaker-level inputs with soft turn-on • Thermal and short circuit protection circuitry

Boss 4600W Bass Phantom Series Package

Dual Boss 12" Phantom Subwoofers w/ Class A/B Phantom Monoblock Amp and Amp Kit

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Boss 4600W Bass Phantom Series Package

Dual Boss 12" Phantom Subwoofers w/ Class A/B Phantom Monoblock Amp and Amp Kit

• Dual 12" Phantom Series Subwoofers
• Power Output: 4600W Total (2300W Each Sub)
• Phantom Series Class AB Monoblock Amplifier
• Peak Power: 1500W
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

• Dual 12" Phantom Series Subwoofers
• Power Output: 4600W Total (2300W Each Sub)
• Phantom Series Class AB Monoblock Amplifier
• Peak Power: 1500W
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

Boss DD2600 R/B

(Factory Refurbished) 2600W Max, Class D Monoblock Diablo Series Amplifier

DD2600 big DISCONTINUED
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Boss DD2600 R/B

(Factory Refurbished) 2600W Max, Class D Monoblock Diablo Series Amplifier

Diablo Series Class D Monoblock Car Amplifier • 900 x 1 chan. @ 4 ohm • 1350 x 1 chan. @ 2 ohm • 2600W x 1 chan. Max • Remote subwoofer control • Variable low pass crossover (24dB) • Input sensitivity selector

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Diablo Series Class D Monoblock Car Amplifier • 900 x 1 chan. @ 4 ohm • 1350 x 1 chan. @ 2 ohm • 2600W x 1 chan. Max • Remote subwoofer control • Variable low pass crossover (24dB) • Input sensitivity selector

Boss CW2500D R/B

Refurbished 2500W Max Chaos Wired Series Class D Monoblock Power Amplifier

CW2500D-RB big DISCONTINUED
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Boss CW2500D R/B

Refurbished 2500W Max Chaos Wired Series Class D Monoblock Power Amplifier

Chaos Series Monoblock Class D Car Amplifier • 750W x 1 chan. @ 4 Ohm • 1800W x 1 chan. @ 2 Ohm • 2500 MAX • Soft Start Turn-On • 3-Way System Protection Circuitry • DataLink Circuitry • Matte Black Aluminum Alloy Heatsink

Chaos Series Monoblock Class D Car Amplifier • 750W x 1 chan. @ 4 Ohm • 1800W x 1 chan. @ 2 Ohm • 2500 MAX • Soft Start Turn-On • 3-Way System Protection Circuitry • DataLink Circuitry • Matte Black Aluminum Alloy Heatsink

Boss PH4000D R/B

Refurbished 4000W Max, Phantom Series Class D Monoblock Power Amplifier

PH4000D big DISCONTINUED
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Boss PH4000D R/B

Refurbished 4000W Max, Phantom Series Class D Monoblock Power Amplifier

Phantom Series Monoblock Class A/B Car Amplifier • 1600W x 1 Chan. @ 4 ohm • 4000W Max • MOSFET PWM Power Supply • Includes Bass Remote • 0 +/- 18 dB Bass Boost • Thermal and Speaker Short Protection

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Phantom Series Monoblock Class A/B Car Amplifier • 1600W x 1 Chan. @ 4 ohm • 4000W Max • MOSFET PWM Power Supply • Includes Bass Remote • 0 +/- 18 dB Bass Boost • Thermal and Speaker Short Protection

Boss PH5000D R/B

Refurbished 5000W Max, Phantom Series Class D Monoblock Power Amplifier

PH5000D big DISCONTINUED
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Boss PH5000D R/B

Refurbished 5000W Max, Phantom Series Class D Monoblock Power Amplifier

Phantom Series Class D Monoblock Amplifier • 1 ohm: 5000 watts x 1 chan. • RMS power output: 1800 watts x 1 chan. • Wired remote subwoofer level control • Nickel-plated speaker and power terminals • Subsonic Filter

Phantom Series Class D Monoblock Amplifier • 1 ohm: 5000 watts x 1 chan. • RMS power output: 1800 watts x 1 chan. • Wired remote subwoofer level control • Nickel-plated speaker and power terminals • Subsonic Filter

EXCLUSIVE

3000 Watt Boss Bass Bundle

Boss PD3000 Monoblock Phantom Series Class D Amplifier + Boss P126DVC 12" Phantom Series Dual 4 ohm Subwoofer + Amp Wiring Kit

PD3000_2_P126DVC_TC4KIT-0B_BBIC5 big DISCONTINUED
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3000 Watt Boss Bass Bundle

Boss PD3000 Monoblock Phantom Series Class D Amplifier + Boss P126DVC 12" Phantom Series Dual 4 ohm Subwoofer + Amp Wiring Kit

• Total Peak Power: 3000W
• Gold-plated RCA low level and high level inputs
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Wired remote bass level control included
• Black Metallic Injection Molded Polypropylene Cone
• 2-1/2" High Temperature Kapton Voice Coil

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• Total Peak Power: 3000W
• Gold-plated RCA low level and high level inputs
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Wired remote bass level control included
• Black Metallic Injection Molded Polypropylene Cone
• 2-1/2" High Temperature Kapton Voice Coil

Boss NXD5500 (Factory Refurbished)

Refurbished 5500W Max, Onyx Series Class D Monoblock Power Amplifier

NXD5500 big DISCONTINUED
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Boss NXD5500 (Factory Refurbished)

Refurbished 5500W Max, Onyx Series Class D Monoblock Power Amplifier

Onyx Series 1-Channel Class D Car Amplifier • 2300 Watts RMS x 1 Chan. @ 4 Ohm • 5500 Watts Max x 1 Chan. @ 1 Ohm • Adjustable 0-12 dB Bass Boost • 1 Pair of Preamp RCA Outputs • Strapping Capability

Onyx Series 1-Channel Class D Car Amplifier • 2300 Watts RMS x 1 Chan. @ 4 Ohm • 5500 Watts Max x 1 Chan. @ 1 Ohm • Adjustable 0-12 dB Bass Boost • 1 Pair of Preamp RCA Outputs • Strapping Capability

Boss Riot R1100M 1100 Watt Mono Car Audio Power Amplifier+Bass Remote+Amp Kit

Boss Riot R1100M 1100 Watt Mono Car Audio Power Amplifier+Bass Remote+Amp Kit

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Boss Riot R1100M 1100 Watt Mono Car Audio Power Amplifier+Bass Remote+Amp Kit

Boss Riot R1100M 1100 Watt Mono Car Audio Power Amplifier+Bass Remote+Amp Kit

• 550 Watts Peak x 1 @ 4 ohm
• 1100 Watts Peak x 1 @ 2 ohm
• 825 Watts RMS x 1 @ 2 ohm
• Remote Subwoofer Level Control Included
• Pulse Width Modulated MOSFET power supply
• Speaker-level (high-level) inputs
• Signal to Noise Ration: 102 dB
• Frequency Response: 9 - 50,000 Hz

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• 550 Watts Peak x 1 @ 4 ohm
• 1100 Watts Peak x 1 @ 2 ohm
• 825 Watts RMS x 1 @ 2 ohm
• Remote Subwoofer Level Control Included
• Pulse Width Modulated MOSFET power supply
• Speaker-level (high-level) inputs
• Signal to Noise Ration: 102 dB
• Frequency Response: 9 - 50,000 Hz

Boss OL4KD R/B

Refurbished 4000W Max, Class D Monoblock Outlaw Series Amplifier

OL4KD-RB big DISCONTINUED
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Boss OL4KD R/B

Refurbished 4000W Max, Class D Monoblock Outlaw Series Amplifier

Boss Outlaw Monoblock Class D Car Amplifier • 1550W x 1 Chan. @ 4 ohm • 2800W x 1 Chan. @ 2 ohm • 4000W x 1 Chan. @ 1 ohm • Wired Remote Bass • Preamp RCA Outputs • Tuned Bass EQ • LED Indicators • Subsonic Filter

1

Boss Outlaw Monoblock Class D Car Amplifier • 1550W x 1 Chan. @ 4 ohm • 2800W x 1 Chan. @ 2 ohm • 4000W x 1 Chan. @ 1 ohm • Wired Remote Bass • Preamp RCA Outputs • Tuned Bass EQ • LED Indicators • Subsonic Filter

EXCLUSIVE

Boss 4000 Watt Max Dual 12" Chaos Series Amplified Bass Bundle

List price $359.97: (2) CH12DVC 12" Chaos Series Dual 4-Ohm Car Subwoofers + CHD4000 4000W Monoblock Chaos Series Class D Amplifier

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Boss 4000 Watt Max Dual 12" Chaos Series Amplified Bass Bundle

List price $359.97: (2) CH12DVC 12" Chaos Series Dual 4-Ohm Car Subwoofers + CHD4000 4000W Monoblock Chaos Series Class D Amplifier

• Total Peak Power: 4000W
• Polypropylene Cone
• Butyl Rubber Surround
• Stamped Steel Basket
• Spring Loaded Terminals for easy Connection
• Single Stacked Magnet
• Top-mount depth: 5.32"
• Nickel-plated RCA low level inputs/outputs
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Wired remote bass level control included
• 11.00" W x 13.95" L x 2.60" H

5

• Total Peak Power: 4000W
• Polypropylene Cone
• Butyl Rubber Surround
• Stamped Steel Basket
• Spring Loaded Terminals for easy Connection
• Single Stacked Magnet
• Top-mount depth: 5.32"
• Nickel-plated RCA low level inputs/outputs
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Wired remote bass level control included
• 11.00" W x 13.95" L x 2.60" H

Boss CXXM1800 OPEN BOX COMPLETE

900W RMS Class AB Single Channel Monoblock Chaos Exxtreme Series Amplifier

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Boss CXXM1800 OPEN BOX COMPLETE

900W RMS Class AB Single Channel Monoblock Chaos Exxtreme Series Amplifier

Opened and Used, Has Install marks
• RMS: 700W x 1 @ 4 ohm, 900W x 1 @ 2 ohm
• Total Peak Power: 1800W
• Wired Bass Remote Included
• Bass Boost 0-18 dB at 50 Hz
• Speaker Level Inputs
• Dimensions: 11"W x 13-3/4"L x 2-7/8"H

Opened and Used, Has Install marks
• RMS: 700W x 1 @ 4 ohm, 900W x 1 @ 2 ohm
• Total Peak Power: 1800W
• Wired Bass Remote Included
• Bass Boost 0-18 dB at 50 Hz
• Speaker Level Inputs
• Dimensions: 11"W x 13-3/4"L x 2-7/8"H

Boss D1200M R/B

1200W Max, Class D Monoblock Diablo Series Amplifier

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Boss D1200M R/B

1200W Max, Class D Monoblock Diablo Series Amplifier

Diablo Series Class D Monoblock Car Amplifier • 280W x 1 chan. @ 4 ohm • 1200 watts x 1 chan. Max • Stackable operation • Preamp RCA outputs • Phase switch

1

Diablo Series Class D Monoblock Car Amplifier • 280W x 1 chan. @ 4 ohm • 1200 watts x 1 chan. Max • Stackable operation • Preamp RCA outputs • Phase switch

Boss CX3500D R/B

Refurbished 3500W Max Chaos Exxtreme Series Class D Monoblock Amplifier

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Boss CX3500D R/B

Refurbished 3500W Max Chaos Exxtreme Series Class D Monoblock Amplifier

• Chaos Exxtreme Class D Monoblock Car Amplifier
• 1200W x 1 chan. @ 4 ohm
• 2200W x 1 chan Max
• Speaker-level inputs with soft turn-on
• Thermal and short circuit protection circuitry

• Chaos Exxtreme Class D Monoblock Car Amplifier
• 1200W x 1 chan. @ 4 ohm
• 2200W x 1 chan Max
• Speaker-level inputs with soft turn-on
• Thermal and short circuit protection circuitry

Boss NXD5500- Open Box

5500W Max Onyx Series Class D Monoblock Power Amplifier

NXD5500 big DISCONTINUED
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Boss NXD5500- Open Box

5500W Max Onyx Series Class D Monoblock Power Amplifier

• RMS: 2300W x 1 @ 4 ohm
• Peak: 4000W x 1 @ 2 ohm, 5500W x 1 chan @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Line and Speaker Level Inputs
• Dimensions: 18-1/8" L x 10" W x 2-3/16" H

• RMS: 2300W x 1 @ 4 ohm
• Peak: 4000W x 1 @ 2 ohm, 5500W x 1 chan @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Line and Speaker Level Inputs
• Dimensions: 18-1/8" L x 10" W x 2-3/16" H

Boss PH3000D- OPEN BOX

3000W Max Class D Monoblock Phantom Series Power Amplifier

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Boss PH3000D- OPEN BOX

3000W Max Class D Monoblock Phantom Series Power Amplifier

• RMS: 1200W x 1 @ 4 ohm
• Peak: 2200W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Low Pass Filter: 50-150 Hz
• Dimensions: 9-1/2"L x 13"W x 2-1/4H

• RMS: 1200W x 1 @ 4 ohm
• Peak: 2200W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Low Pass Filter: 50-150 Hz
• Dimensions: 9-1/2"L x 13"W x 2-1/4H

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    Boss Monoblock Amplifiers Information

    The Boss monoblock amplifier offers efficient power output. These amps take-up little space and have a solid power rating. Your audio system is not complete without a Boss amplifier.
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