An amplifier shouldn't take up too much space - especially not in the car. The compact GM-D8701 is 1-ohm stable, flexible to install and offers plenty of power.

Features:

• Speaker input sensor - Connect your existing OEM unit without additional adapters.
• Variable TPF - Adjust the low-pass filter frequency for greater audio system flexibility
• Multi-device connection - Easily connect up to 4 subwoofers for more powerful audio output
• Class D - Enjoy premium sound and high volume in a versatile, ultra-compact system
• Channels: 1
• RCA connectors
• Speaker inputs: Block type
• Maximum input power:
  • 1 x 600W (4Ω)
  • 1 x 1000W (2Ω)
  • 1600W (1Ω)
• Continuous output power (RMS):
  • 1 x 300W RMS (4Ω)
  • 1 x 500W RMS (2Ω)
  • 1 x 800W RMS (1Ω)
• Input level control: RCA (0.2V - 6.5V) / SP (0.8V - 16V)
• Distortion: < 0.05
• Signal-to-noise ratio: > 100 dB
• Enclosure dimensions (W x H x D): 302 x 60 x 215 mm
• Bass control: remote control
• Crossover frequency: 40 - 500 Hz (-12 dB/oct) Hz
• Mono / 1-channel