- Sundown Audio SAE Version 4 – 4-Channel Class-A/B Amplifier – 900W RMS
- MOSFET PWM Power Supply
- 4 x 225 Watts RMS @ 2 Ohms
- 4 x 150 Watts RMS @ 4 Ohms
- 2 x 450 Watts RMS @ 4 Ohms (Bridged)
- (W x H x D) 6.3″ x 2.75″ x 18″
- 2-Ohm Stable
- Hi-fidelity Class A/B design
- Low Pass Filter: 40 – 5 kHz (12 dB/Octave)
- High Pass Filter: 40 – 5 kHz (12 dB/Octave)
- Gain Control: 0.2V – 6.0V
- S/N Ratio: 92dB
- RCA Inputs
- Clipping, Power & Protect LED Indicators
- 4-Way Protection (Thermal, Voltage, Short & DC Offset)
- Soft Turn-On Circuit
- Remote On/Off Circuit
- Working Voltage: 10.5V – 15.5VDC
- Fuse & Holder NOT Included
- Optional Wired Remote with Clipping LED Indicator NOT Included
- The SAEv4 is engineered with high-fidelity Class A/B multi-channel architecture, providing an ideal balance between performance and affordability. Leveraging the latest half-bridge technology, these amplifiers deliver clean, powerful audio signals in a compact form factor.
- Featuring an all-new chassis and heatsink design with 33% more aluminum, this SAEv4 keeps your system cool even during intense listening sessions. The amp is packed with a variable subsonic, high pass and low pass filters, plus a 4-way protection circuit (thermal, voltage, speaker short, and DC offset). The variable crossover slope (LPF/HPF) and a high signal-to-noise ratio of 92dB further enhance audio quality, with an exceptionally low noise floor.
- With an input sensitivity of 6 volts and up to 900 watts of output, this amp is ready, willing, and more than able to drive your car audio system with a new level of precision and clarity.
Sundown Audio 4-Channel Amplifier, 900W RMS
$1.00Price

