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Compact silver car amplifier with Pioneer branding and screw terminals

Pioneer

Pioneer GM-A5702 2-channel car amplifier 150W x2 RMS

SKU CH-QXX0-2NNKA

Delivers 150W RMS per channel at 4Ω with bridgeable Class A/B design, adjustable 50Hz bass boost and switchable low-pass filter from 40Hz to 500Hz

  • Features1000W max power, 150W x2 RMS @ 4Ω
  • TypeAmplifiers
  • Clean 150W RMS per channel at 4Ω for strong stereo output
  • 1000W max power handles demanding musical peaks
  • Bridgable to 480W mono for flexible subwoofer use
  • Adjustable 50Hz bass boost tailors low-end response
  • Built-in LPF 40Hz–500Hz at -12dB/oct shapes crossover precisely

Power for two channels

The Pioneer GM-A5702 is a new Class A/B car amplifier built for drivers who want a straightforward stereo upgrade. It delivers 150W RMS per channel at 4Ω and can be bridged to 480W RMS for a single subwoofer. The 1000W maximum power rating provides headroom for musical peaks without distortion.

Integration and wiring

The unit runs on a 14.4V vehicle system with an allowable range of 10.8V to 15.1V and draws 9.5A per channel at 4Ω. It accepts speaker loads from 2Ω to 8Ω and uses screw terminals for secure connections. Automatic signal sensing turns the amp on without a separate remote wire, while dual 30A fuses protect the power supply. A switchable low-pass filter adjustable from 40Hz to 500Hz at -12dB/oct lets you tailor the frequency range for mids, highs or a bridged subwoofer.

Output and limits

Two channels at 150W RMS give clean power for a pair of component speakers or coaxial drivers. Bridged mode produces 480W RMS at 4Ω, suitable for a single subwoofer that needs more authority. The adjustable bass boost at 50Hz adds low-end emphasis when desired. Protection circuitry guards against thermal and short-circuit faults. Buyers who need more than two independent channels or higher continuous power per channel should consider a larger multi-channel amplifier.

Highlights

  • Clean 150W RMS per channel at 4Ω for strong stereo output
  • 1000W max power handles demanding musical peaks
  • Bridgable to 480W mono for flexible subwoofer use
  • Adjustable 50Hz bass boost tailors low-end response
  • Built-in LPF 40Hz–500Hz at -12dB/oct shapes crossover precisely

Specifications

BrandPioneer
Features1000W max power, 150W x2 RMS @ 4Ω
TypeAmplifiers

Questions about this item

Will the 30 A fuses handle long sessions at 150 W RMS per channel?

Each channel draws 9.5 A at 4 Ω RMS, so the dual 30 A fuses provide ample margin for sustained output.

How hot or noisy does the Class A/B chassis get when driven all day?

The A/B design runs warmer than Class D but has no fan; passive cooling keeps it silent at the 9.5 A per channel average draw.

What source connections and voltage range does the GM-A5702 need to operate?

It requires a 10.8–15.1 V supply and accepts line-level signals via the two RCA inputs.

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