Pioneer GM-D1004 – 400W Compact Class FD 4-Channel Amplifier for Powerful & Efficient Audio

Compact Yet Powerful Performance
Upgrade your vehicle’s sound system with the Pioneer GM-D1004, a high-efficiency Class FD amplifier that delivers a total power output of 400 watts. Designed to fit in tight spaces without compromising performance, this 4-channel amplifier produces 45 watts per channel at both 4 and 2 ohms, ensuring crisp, clear, and dynamic sound. Whether you’re powering door speakers or a small subwoofer setup, the GM-D1004 delivers an impressive audio upgrade in a highly compact design.

High-Fidelity Sound with Low Distortion
The GM-D1004 ensures crystal-clear sound reproduction with a broad frequency response of 10Hz to 40,000Hz and minimal total harmonic distortion (THD) below 0.5%. This allows for an incredibly clean audio output, making every detail in your music stand out. The amplifier supports both 4-channel and 2-channel bridged operation, allowing for flexible system configurations to match your specific car audio needs.

Easy Installation & Reliable Performance
Thanks to its ultra-compact design, the GM-D1004 is small enough to fit in a variety of installation locations, including behind dashboards and under seats. The included power and ground wiring make installation simple, eliminating the hassle of sourcing additional components. Built with Pioneer’s reliable engineering, this amplifier ensures stable performance, even during extended listening sessions, making it an excellent choice for those seeking both convenience and high-quality audio.

Features & Highlights:

1. 400W Max Power Output – Delivers robust, high-quality sound for an enhanced listening experience.
2. Class FD Amplification – Maximizes efficiency while reducing heat output for consistent performance.
3. 4-Channel or 2-Channel Operation – Can be configured as a 4-channel amp or bridged into 2 channels for flexibility.
4. 45W RMS per Channel (4Ω & 2Ω) – Consistently delivers clean and powerful audio to your speakers.
5. Bridged Power Output (4Ω: 90W x 2) – Combine channels for increased power and improved speaker performance.
6. Wide Frequency Response (10Hz – 40kHz) – Provides full-range sound reproduction with high clarity.
7. Low Total Harmonic Distortion (< 0.5%) – Ensures a clean signal and minimal audio distortion.
8. Ultra-Compact & Lightweight Design – Easily fits in tight spaces for effortless installation.
9. Included Power & Ground Wiring – Simplifies installation without needing additional accessories.
10. Reliable Pioneer Build Quality – Engineered for durability and long-term performance.