Pioneer GM-D8704 Class FD 4-Channel Bridgeable Amplifier
(Pioneer GM-D8704)
We Think You Should Know
  • 4-Ch Class FD Bridgeable Amplifier
  • 1200W Maximum Power
  • 100W x 4 RMS Output - 4Ohm
  • 150W x 4 RMS Output - 2Ohm
  • Compact Design for Versatile Installation Options
  • Refined Class FD Design Offers Extreme Efficiency and High-Quality Sound
Overview An amplifier shouldn't take up too much space, especially in your car. This Class-D amplifier might just be what you're looking for. It combines a 1-Ohm stable circuit, installation flexibility and superior high-power output.
Features Big Power, Small Size
Pioneer's new extra-efficient Class-D digital amplifiers mark a dramatic improvement in power output capability, yet are 50% smaller than the current GM-Series Class-AB amplifiers. That makes them more versatile in terms of installation as well as performance.

Improved Circuit Design
To prevent circuit shutdown, Pioneer's new digital amplifier circuit "Protection Control System" senses its internal temperature and automatically moderates input level accordingly. Stable, durable circuitry lessens the risk of high input power for the unit to achieve 1 Ohm connection. This design enhances the flexibility to connect multiple subwoofers to a system.

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Pioneer GM-D8704 Class FD 4-Channel Bridgeable Amplifier
(Pioneer GM-D8704)

We Think You Should Know

  • Australian Pioneer Warranty
  • Purchase Guarantee (see T&C's)
  • 4-Ch Class FD Bridgeable Amplifier
  • 1200W Maximum Power
  • 100W x 4 RMS Output - 4Ohm
  • 150W x 4 RMS Output - 2Ohm
  • Compact Design for Versatile Installation Options
  • Refined Class FD Design Offers Extreme Efficiency and High-Quality Sound

Overview

An amplifier shouldn't take up too much space, especially in your car. This Class-D amplifier might just be what you're looking for. It combines a 1-Ohm stable circuit, installation flexibility and superior high-power output.

Features

Big Power, Small Size

Pioneer's new extra-efficient Pioneer GM-D8704 digital amplifiers mark a dramatic improvement in power output capability, yet are 50% smaller than the current GM-Series Class-AB amplifiers. That makes them more versatile in terms of installation as well as performance.

Improved Circuit Design

To prevent circuit shutdown, Pioneer's new digital amplifier circuit "Protection Control System" senses its internal temperature and automatically moderates input level accordingly. Stable, durable circuitry lessens the risk of high input power for the unit to achieve a 1 Ohm connection. This design enhances the flexibility to connect multiple subwoofers to a system.

Variable Low Pass Filter

For extra flexibility, variable LPF and HPF make audio frequency more adjustable according to subwoofer characteristics and personal listening preferences. The GM-D8704 LPF and HPF are adjustable from 40 Hz to 500 Hz.

Speaker Level Inputs

What, you DON'T own a Pioneer head unit? Well, we won't hold it against you. In fact, we'll even help you build onto your system. The GM-D8704's speaker level inputs allow you to connect your OEM unit (or any unit that doesn't have the typical RCA-type inputs) without having to buy add-on adapters. So, the installation goes faster, you save money, and you've got a Pioneer amp in your vehicle.

Multi-Block terminal

Smoothly connect up to 4 subs.

Pioneer Electronics

Pioneer is a Japanese multinational corporation founded in 1937 that specializes in digital entertainment products. It's one of the most trusted brands in practically any field of car audio. With the renowned innovation, persistence and integrity of Japanese businesses, you can expect the latest technology and the highest possible quality from Pioneer car audio products.

Specifications
Power Source 14.4 V DC (10.8V To 15.1 V Allowable)
Grounding System Negative
Current Consumption 29 A (at Continuous power, 4Ohm)
Average Current Consumption 3.1A (4Ohm for four channels)
4.4A (4Ohm for two channels)
4.4A (2Ohm for four channels)
Fuse 30 A x 2
Dimension 252mm x 60mm x 215mm
Weight 2.5kg (no cables connected)
Maximum Power Output (peak) 200 W x 4 @ 4Ohm
600 W x 2 @ 4Ohm
BRIDGE/TOTAL 1200 W (300 W x 4)
Continuous Power output 100 W x 4 (at 14.4V, 4Ohm 20Hz to 20KHz, < 1% THD)
150 W x 4 (at 14.4V, 2Ohm, 1kH, < 1% THD)
125 W x 4 (at 14.4V, 1Ohm, 1kH, < 1% THD)
300 W X 2 (at 14.4V, 4Ohm BRIDGE, 1kHz,<1% THD
250 W X 2 (at 14.4V, 2Ohm BRIDGE, 1kHz,<1% THD
Load impedance 4Ohm (1Ohm to 8Ohm Allowable)
Frequency Response 10 Hz to 240 Hz (+0dB,-3dB)
Signal-to-noise ratio 95 dB (IEC-A network)
Distortion 0.05% (10 W, 1kHz)
Low Pass Filter
Cut off Frequency 40 Hz to 500 Hz
Cut off Slope -12dB/oct
High Pass Filter
Cut off Frequency 40 Hz to 500 Hz
Cut off Slope -12dB/oct
Bass Boost:
Frequency 50 Hz
Level 0 dB to 18 dB
Gain Control
RCA 200 mV to 6.5V
Speaker 0.8 V to 16V
Maximum input level / impedance
RCA 6.5 V / 25 kOhm
Speaker 16 V / 12 kOhm

Please Note: Specifications and the design are subject to change without notification

When this amplifier receives an audio signal, The Average current consumption is nearly the maximum current consumption. Use this value when working out total current consumption by multiple power amplifiers

  • Pioneer GM-D8704 4 Channel Car Amplifier
  • Bass boost level remote control
  • Bass boost level remote control wire (5m)
  • 2 x Speaker input wire with RCA pin cord

Peace of Mind Purchase Guarantee
This product is supplied via Pioneer Australia and enjoys the FULL benefits of the 'Genuine Pioneer Australian Warranty'. (You may also be entitled to other consumer warranties as provided by the Australian Consumer Guarantee and these entitlements are not limited by this warranty). In the event that this product should fail please contact our service department or you can speak with Pioneer Australia directly.

We are a FULLY AUTHORISED Australian retailer for Pioneer Australia.

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Due to differing operating costs associated with selling products via different marketplaces, our pricing may vary.

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