- 270 x 2 @ 4 ohms RMS Bridged
- 135 x 4 @ 2 ohms RMS
- 100 x 4 @ 4 ohms RMS
- Variable 12dB high-pass filter: 15Hz – 500Hz or 300Hz – 10kHz (Ch. 1-2)
- Variable 12dB high-pass filter: 15Hz – 500Hz (Ch. 3-4)
- Variable 12dB low-pass filter: 30Hz – 500Hz or 600Hz – 10kHz (Ch. 3-4)
- x1/x20 crossover frequency multipliers
- Variable 12dB bass boost @ 50Hz
- DC auto-sensing turn on
- Thermal, voltage, speaker short, and dc-offset protection circuitry
- Water resistant
- Heavy cast aluminum heat sink
- Removable audio control cover
- Optional wired remote control
SDX-100.4 4-Channel Weatherproof Amplifier
Description
SDX-100.4 4-Channel Weatherproof Amplifier was last modified: September 16th, 2025 by





