Pioneer Class-D 4 Channel Car Amplifier with Wired Bass Boost Remote (GMD8704)

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PioneerSKU: GMD8704

Sale price $267.00 Regular price$399.99

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The Pioneer GM-D8704 new extra-efficient Class-D digital amplifiers marks 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 Ω connection. This design enhances the flexibility to connect multiple subwoofers to a system.

Variable Low-Pass and High-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.

Specifications

General
– Power Source: 14.4 V DC (10.8V To 15.1 V Allowable)
– Current Consumption: 29 A (at Continuous power, 4Ω)

Avergae Current Consumption
– 3.1A (4Ω for four channels)
– 4.4A (4Ω for two channels)
– 4.4A (2Ω for four channels)
– Fuse: 30 A x 2
– Dimnesion: 252mm x 60mm x 215mm
– Weight: 2.5kg (no cables connected)

Maximum Power Output (peak)
– 200 W x 4 @ 4Ω
– 600 W x 2 @ 4Ω
– BRIDGE/TOTAL: 1200 W (300 W x 4)

Continuous Power output
– 100 W x 4 (at 14.4V, 4Ω 20Hz to 20KHz, < 1% THD) - 150 W x 4 (at 14.4V, 2Ω, 1kH, < 1% THD) - 125 W x 4 (at 14.4V, 1Ω, 1kH, < 1% THD) - 300 W X 2 (at 14.4V, 4Ω BRIDGE, 1kHz,<1% THD - 250 W X 2 (at 14.4V, 2Ω BRIDGE, 1kHz,<1% THD - Load impedance: 4Ω (1Ω to 8Ω 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 kΩ - Speaker : 16 V / 12 kΩ

Mobile Amplifier Channels

4 Channel

Mobile Amplifier Class

Class D

Mobile Amplifier Fuse Rating

90

Mobile Amplifier RMS

351 to 750 watts

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