Stereo Scalable Output Power Class D Audio Amplifier based on the very popular Class D audio amplifier controller IRS2092S. Output power in range of 150W to 600W on 4R impedance or 80W to 320W on 8R impedance. Features balanced high impedance input, 2x10Kr full protection set, only requires a diferential supply voltage in range of: +-40V to +-46V for the 150W version, +-52V to +-60V for the 250W version, +-62V to +-68V for the 400W version, and +-76V to +-83V for the 600W version. The board has a 100x100mm size, and 42mm height from the board to the heatsink top, lower profile modules available on request.