Pioneer GM-D8701 Class-D Mono Car Subwoofer Power Amplifier 1600W Max / 800W RMS @ 1Ω / 500W RMS @ 2Ω / 300W RMS @ 4Ω / Wired Bass Boost Knob

The Pioneer GM-D8701 Class-D mono  amplifier is built strictly for driving high-power subwoofers with extreme efficiency and thermal stability. Engineered to handle continuous heavy low-end bass loads down to 1-ohm stability, the GM-D8701 ensures your subwoofers perform at peak potential without electrical overheating.

High-Efficiency Class-D Circuitry

Pioneer’s digital Class-D technology maximizes power conversion while minimizing heat buildup. This allows the amplifier to deliver up to 800W RMS continuous power within a compact footprint that fits easily under seats or in trunk compartments.

1-Ohm Low Impedance Stability

Unlike standard amplifiers, the GM-D8701 is stable down to a 1-ohm load. This gives sound enthusiasts the flexibility to wire dual 4-ohm voice coil subwoofers in parallel for maximum wattage extraction.

Dedicated Low-Pass Filter & Bass Control

Features a built-in variable Low-Pass Filter (40 Hz to 240 Hz) that blocks mid-range frequencies, ensuring only clean sub-bass tones are sent to the woofer. The included wired remote knob allows real-time bass adjustment from the dashboard.

Heavy-Duty Block Terminals

Equipped with recessed, high-capacity block terminals for power, ground, and speaker leads, ensuring tight screw clamping, low voltage drop, and reliable power transfer.

PRODUCT SPECIFICATION INDEX

WHY MONO AMPLIFIERS ARE RECOMMENDED FOR SUBWOOFERS

• Dedicated Sub-Bass Power: Mono amplifiers are engineered specifically to process low-frequency sound signals (10 Hz – 240 Hz). They output clean, uninterrupted RMS power needed to move heavy subwoofer cones.

• Low Impedance Load Handling (1Ω / 2Ω Stability): Subwoofers require high current draw at low impedances. amps handle low-resistance wiring configurations (1-ohm or 2-ohm) safely without thermal shutoff or clipping.

• Relieves Main Head Unit & Full-Range Amps: Offloading bass duties to a dedicated mono allows your 4-channel amplifiers and door speakers to focus entirely on clear vocals and crisp high frequencies.

  WHY CHOOSE AYON MOTORS?

  1. 100% Authentic Pioneer Stock: Genuine products verified with official serial numbers and original security packaging.

  2. OEM Plug-and-Play Adapter Rings: Custom vehicle-specific speaker rings that mount perfectly into factory bolt locations—zero body cutting or structural alteration required.

  3. 100% Pure Copper Wiring: Ultra-low resistance high-purity copper wiring for maximum power transfer, clean conductivity, and long-term signal integrity without corrosion.

  4. Professional Cable Clipping & Wire Management: All wiring is secured cleanly with industrial cable clips and tie-mounts to prevent panel rattling, loose movement, or long-term wire fatigue inside door cavities.

  5. OEM-Grade Harness Cloth Taping: Wiring looms are wrapped in automotive TESA cloth tape to absorb noise/vibrations, protect against friction wear, and provide a clean factory look.

  6. Precision Cabin Audio Tuning: Fine-tuned equalizer and soundstage balance tailored specifically to your vehicle’s interior acoustic layout.