Description
- High Efficiency Digital Multi-Channel Design
- Variable Bass Boost
- Clipping Indicator
- 4 Way Protection Circuit (Thermal, Voltage, Speaker Short, DC Offset)
- Optional Wired Remote Control with Clipping Indicator
Sundown Audio 1000W 1-Ohm 4-Channel Class D Full Range Amplifier
This listing includes:
- (1) Sundown Audio Amplifier Full Range 1000W 1 ohm 4 Channel Class D SFB-1000.4D
The Sundown Audio SFB-1000.4D is a high-efficiency, full-range Class D 4-channel amplifier designed for superior sound performance and reliability. Delivering up to 1050W per channel at 1 ohm, this powerful multi-channel amp provides clean, dynamic audio for a variety of speaker configurations. Featuring a variable high-pass and low-pass filter, adjustable bass boost, and a clipping indicator, it offers precise tuning and control over your sound. The built-in 4-way protection circuit guards against thermal, voltage, speaker short, and DC offset issues, ensuring long-term durability. Its Smart Cooler system, with fan-powered temperature or audio-based activation, keeps the amp running efficiently under heavy loads. Whether you’re powering mids, highs, or subwoofers, the SFB-1000.4D is an excellent choice for high-performance car audio systems.
Features:
- High Efficiency Digital Multi-Channel Design
- 12 dB/Octave Variable Low Pass Filter
- 12 dB/Octave Variable High Pass Filter
- Variable Bass Boost
- Clipping Indicator
- 4 Way Protection Circuit (Thermal, Voltage, Speaker Short, DC Offset)
- Optional Wired Remote Control with Clipping Indicator
Specifications:
- Number Of Channels: 4
- 350 watts x 4 @ 4 ohm, 14.4v
- 590 watts x 4 @ 2 ohm, 14.4v
- 1050 watts x 4 @ 1 ohm, 14.4v
- Input Sensitivity: 200MV
- Signal To Noise Ratio: 100dB
- Frequency Response: 10HZ-20KHZ(-3dB)
- High Pass Filter: 15Hz to 6KHz Variable
- Low Pass Filter: 50Hz to 6KHz Variable
- Bass Boost: 0 to 12dB(50Hz)
- Smart Cooler (fan powered by temperature or audio)
- Input Impedance: 56k ohms
- Protection System: Output Short/High/Low Supply Voltage/Thermal Protection
- Minimum Supply Voltage: 9VDC
- Maximum Supply Voltage: 16VDC

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