Pioneer GM-DX104 4-Channel 400W Max Hi-Res Class D Compact Car Amplifier
The Pioneer GM-DX104 4-Channel 400W Max Hi-Res Class D Compact Car Amplifier delivers clean, high-resolution audio power in an ultra-compact chassis designed for effortless installation in cars, trucks, motorcycles, RVs, boats, and electric vehicles. Powered by Pioneer's efficient Class-D topology with high-performance operational amplifiers, it outputs 45W RMS x 4 at 4 ohms or 2 ohms, or 90W RMS x 2 bridged at 4 ohms, with an expansive 10Hz to 40kHz Hi-Res Audio frequency response.
Engineered for low 1.6A average current draw and wide 10.5V to 16V operating voltage compatibility, the GM-DX104 integrates seamlessly into EVs and Auto Start-Stop vehicles without heavy firewall wiring. Built-in 80Hz high-pass and low-pass filters (-12 dB/oct), gold-plated 4-channel RCA terminals, Total Vibration Control (TVC), and signal-sensing speaker line auto turn-on make it an ideal compact upgrade for factory and aftermarket systems.
Upgrade your vehicle audio with genuine Pioneer Hi-Res clarity and compact installation versatility, backed by authorized Canadian dealer support and full manufacturer warranty.
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Hi-Res Audio Certified Class D Amplification
Engineered for high-resolution audio playback up to 40kHz (+0dB/-3dB), the Pioneer GM-DX104 uses high-performance operational amplifiers to minimize noise in small-signal circuits and deliver crisp detail across a wide soundstage. Its compact Class-D design outputs 45W RMS x 4 at 4 ohms or 2 ohms, or 90W RMS x 2 when bridged at 4 ohms, with 400W total peak power.
Flexible 4-, 3-, or 2-Channel Configuration
Configure the GM-DX104 to drive four full-range door speakers, a front component set plus bridged subwoofer, or two bridged high-output channels. Built-in 80Hz high-pass and low-pass filters with -12 dB/oct slopes allow clean frequency tailoring for any speaker setup.
EV, Motorcycle, RV, and Auto Start-Stop Compatibility
Designed for modern electrical systems with high-voltage tolerance up to 16V (10.5V-16V operating range) and a low 1.6A average current draw, the GM-DX104 installs easily in electric vehicles, Auto Start-Stop cars, motorcycles, boats, and RVs without requiring heavy firewall power cabling in most factory-upgrade installations.
Gold-Plated RCA Terminals and Signal-Sensing Turn-On
Corrosion-resistant gold-plated 4-channel RCA inputs preserve low-level signal integrity, while the integrated speaker line input sensor automatically powers the amplifier on and off when connected to factory head units—eliminating the need to run a separate remote turn-on wire.
Total Vibration Control (TVC)
Pioneer's Total Vibration Control chassis engineering increases structural rigidity and suppresses mechanical vibrations, maintaining clean acoustic stability even in demanding road, off-road, or marine environments.
Specifications
| Model | GM-DX104 (Amplifier D Series) |
| Amplifier Class | Class D |
| Channel Configuration | 4 / 3 / 2-Channel Bridgeable |
| Continuous Power Output (RMS) | 45W x 4 (4 Ohms), 45W x 4 (2 Ohms), 90W x 2 Bridged (4 Ohms) at 1% THD |
| Maximum Power Output | 100W x 4 (4 Ohms), 200W x 2 Bridged (4 Ohms), 400W Total Max |
| Frequency Response | 10Hz to 40kHz (+0dB, -3dB) Hi-Res Audio Certified |
| Allowable Load Impedance | 2 Ohms to 8 Ohms |
| High-Pass & Low-Pass Crossovers | 80Hz (LPF / OFF / HPF), -12 dB/oct Slope |
| Inputs & Terminals | 4-Channel Gold-Plated RCA Inputs, Speaker Line Input Sensor |
| Avg Current Consumption | 1.6A (4 Ohms x 4ch / 2 Ohms x 4ch / 4 Ohms x 2ch Bridged) |
| Fuse Rating | 15A |
| Dimensions & Weight | 7-1/8 in W x 1-1/2 in H x 2-1/2 in D (1.2 lbs) |
In The Box Contents
- Pioneer GM-DX104 4-Channel Compact Amplifier
- Power Supply Wiring Harness
- Speaker Line Input Cable
- 4-Channel RCA Line Input Cable
- 2-Channel RCA Line Input Cable
- Mounting Screws and Fixed Brackets
- Hex Wrench
- Owner's Manual and Warranty Information
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