• 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