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An amplifier shouldn’t take up too much space, especially in your car. The GM-D8704 might just be what you’re looking for. It combines a 1-Ohm stable circuit, installation flexibility, and superior high-power output.

Features of GM-D8704

Variable HPF/LPF

Variable HPF/LPF

For Extra flexibility, variable LPF & HPF make audio frequency more adjustable according to subwoofer characteristics and personal listening preferences

Variable HPF/LPF

Bass Boost Remote

Bass Boost Remote

Every new class D Amplifier has a Bass Boost Remote Controller for optimal bass level adjustment according to listening preferences and music characteristics.

Bass Boost Remote

Highly Reliable Circuit Design

Highly Reliable 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.

Highly Reliable Circuit Design

Other features of GM-D8704

Automatic Signal Sensing & Turn ON
Automatic Signal Sensing & Turn ON

Pioneer Class D Amplifier automatically select an input signal mode between the RCA Level and the speaker level selecting an input signal

Specifications of GM-D8704

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No. of Channels: 4/3/2

Max. Wattage (4 ohms): 200W X 4

Max. Wattage  (2 ohms): 300W X 4

Max. Wattage  (1 ohm): 1200W (Total)

Wattage RMS (4 ohm <= 1% THD+N): 100W x 4 (20-20kHz)

Wattage RMS (2 ohm <= 1% THD+N): 150W x 4 (1kHz)

Wattage RMS (1 ohm <= 1% THD+N): >125WX4 (1kHz)

Wattage RMS (4 ohm, Bridged): 300W x 2 (1kHz)

Distortion (100Hz, 4 ohm, 10w): < 0.05%

S/N Ratio (IEC-A/IHF-A N/W): >95dB

Frequency response: 10-50kHz (0,-3dB)

Max. Input Level (RCA): 6.5V (Low)

Max. Input Level (SP-Input): 16v (High)

Load Impedance: 1-8 ohm

Amplifier Class: Class D

Transistor: MOSFET

Input level control (RCA-IN): (200mv-6.5v)

Input level control (SP-IN): (0.8v-16v) (High)

Frequency: 50Hz (CH-B)

Bass Boost: 0-18dB

Bass Boost Remote: Yes (CH-B)

Low Pass Filter: 40-500Hz, -12dB/oct

High Pass Filter: 40-500Hz, -12dB/oct

Protection Indicator: RED (Side Panel)

Power Indicator: BLUE (Side Panel)

Speaker input cable: 20cm

Bass Remote Cord: 5m

Hex Wrench: Yes

Mounting screws: 4 piece

Owner's manual: Yes

WARRANTY CARD: Yes

Chassis size (W x H x D): 252 mm x 60 mm x 215 mm

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