Pioneer GM-A4704 4-Channel - Class AB, 520w Max Power - Bridgeable Amplifier

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PioneerSKU: GMA4704

Sale price $198.00 Regular price$249.99

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Why put an amplifier in your car? Pioneer's GM-A4704 4-channel amplifier will greatly improve the sound quality in your vehicle, so you'll find yourself looking forward to your time on the road. This punchy Pioneer will power your front and rear speakers with 40 watts RMS each, which is actually a large jump over the power supplied by a typical car radio. You'll hear much more of the little details in your music, especially when you turn your system up to overcome road noise.

Pioneer GM-A4704

4-Channel Versatility

Here's why lots of people start building their systems with a 4-channel amp. You can run your front speakers with the front channels (A) on this Pioneer, then combine the rear channels (B) to drive a subwoofer. Then, when you've got enough cash to buy a second sub and a dedicated amp for your bass, you can use your 4-channel to run all your speakers. You can also put this versatile amp into 2-channel mode to send up to 130 watts RMS each to a couple of component speakers or subwoofers.

Tone Control

The front channels sport variable high-and low-pass filters so you can better adjust the sound for critical front soundstaging or a finely-tuned bass. Switchable high- and low-pass filters on the rear channels help take the rumble away from full-range speakers or the sizzle away from a sub. Speaker-level inputs allow you to add the GM-A4704 to a factory system. If your vehicle needs a sonic upgrade, this amp's performance features and reasonable price make it a great choice.

Standards

CEA-2006 Compliant Yes

Performace

Avg Current Consumption (amps x #ch)
  • 4 Ohm - 5.5 (4Ch)
  • 4 Ohm - 8.5A (2Ch)

  • CN-A/B Channel Slope -12db/oct (A/B CH)
    CN-A/B Channel (Hz) 40-500 Hz
    CN-A/B/C Channel
  • -LPF - A/B Ch - 80 Hz
  • -HPF - A Ch - 40 Hz to 500Hz
  • -HPF - B Ch - 80Hz
  • CN-Sub Channel LPF - 80 Hz
    CN-Subwoofer Slope -12db/oct
    Frequency Response - A/B/C Channel 10Hz to 70kHz (+0dB,-3dB) A/B Ch
    Frequency Response - Sub Channel 10Hz to 70kHz (+0dB,-3dB)
    Fuse Rating 30 A x 1
    Input Level @Gain Max
  • 0.3 V to 6.5 V - RCA
  • 3.0 V to 26 V - Speaker
  • Max Power Output
  • 2 Ohm - 130W x 4
  • 4 Ohm - 80W x 4
  • 4 Ohm Bridged - 520W
  • Load Impedence Allowance 2 ohm to 8 ohm allowable




    Nominal Power Output
  • 2 Ohm - 65W x 4
  • 4 Ohm - 40W x 4
  • 4 Ohm Bridged - 130W x 2
  • RCA Input 4-Channel
    Signal to Noise 78 dBA (Reference: 1 W into 4 ohm)

    Amplifier Features

    Bridgable Yes
    Class A/B
    Grounding System Negative
    Protection Control System Yes
    Terminal Type Screw
    Unit Weight
  • 4.4 lbs
  • 2 kg
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