Sundown Audio 1000W 1-Ohm 4-Channel Class D Full Range Amplifier

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,