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Cadence Boston

800W RMS, United Series Class A/B 5-Channel Car Amplifier

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United Series 5-Channel Class A/B Car Amplifier • MOSFET Power Supply • 3-Channel Mixed Mono Capable • Variable Bass Boost • Wired Bass Remote Included • Heavy Duty Aluminum Heatsink • Variable High-Pass Crossover • Variable Low-Pass Crossover

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Product Highlights


United Series 5-Channel Class A/B Car Amplifier • MOSFET Power Supply • 3-Channel Mixed Mono Capable • Variable Bass Boost • Wired Bass Remote Included • Heavy Duty Aluminum Heatsink • Variable High-Pass Crossover • Variable Low-Pass Crossover

Description


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Authorized dealer

  • United Series 5-Channel Class A/B Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 75 watts x 4 chan. + 250 watts x 1 chan.
    • 2 ohm: 100 watts x 4 chan. + 400 watts x 1 chan.
    • Bridged, 4 ohm: 200 watts x 2 chan.
  • MOSFET high speed power supply
  • Wired remote bass level control included
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost (0 to +12 dB)
  • Soft start system with mute and delay features
  • 5/4/3/2 Channel operation
  • 2 CH/4 CH/5 CH input mode switch
  • 2 Ohm stable stereo
  • 4 ohm mono bridgeable
  • 4-Way System Protection circuitry
  • 3-Channel mixed mono capable
  • Bipolar studio-grade output stage transistors
  • Heavy duty aluminum alloy heatsink for extreme heat dissipation
  • Nickel-plated RCA level inputs
  • Nickel-plated screw terminals
  • Variable high-pass filter (50-4,000 Hz, 12 dB/octave)
  • Variable low-pass filter (15-1,000 Hz, 12 dB/octave)
  • Damping factor: >200 @ 100 Hz
  • Frequency response: 10-40,000 Hz
  • Dimensions: 20"L x 7-1/4"W x 2-1/4"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
75 watts x 4 channel
RMS Power @ 2 ohms
100 watts x 2 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
200 watts x 2 channel
Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms
250 watts x 1 channel
RMS Power @ 2 ohms
400 watts x 1 channel
RMS Power @ 1 ohm
Not Stable
Amplifier Specifications
Series
United Series
Amplifier Class
A/B
Number of Channels
5-Channel
Total RMS Power Output
800 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
1%
Speaker Level Inputs
No
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
50 - 500 Hz
Low-Pass Crossover Frequency
50 - 250 Hz
Signal-to-Noise Ratio
100 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
Yes
Fuse Rating
40A x 2 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

Boston

Weight:

13.67lbs

Internal SKU:

boston

Internal Product ID:

38273

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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.