Monoprice 18514 Amplifier - 400 W RMS - 2 Channel

Unity 200-Watt Bridgeable Power Amp

Efficient, Versatile Class-D Amplification for Business and Home Audio Systems

The Monoprice Unity 200-Watt Bridgeable Power Amp delivers high-performance audio amplification tailored for multiroom sound systems in both residential and commercial settings. Built for flexibility and power, this Class D amplifier is the ideal choice for users seeking a customizable alternative to standard all-in-one audio solutions.

Supporting 4-ohm and 8-ohm speaker configurations, it delivers up to 125 watts per channel or 225 watts in bridged mode. A buffered loop line output allows seamless expansion to additional amplifiers, while multiple power-on modes-always-on, signal detection, and trigger activation-offer versatile control. With a 12-volt trigger output for connected devices, this amp is a reliable and scalable solution for whole-house audio installations.

• Class-D amplifier providing 100 watts/channel (RMS) into 8 ohm loads or 125 watts/channel into 4-ohm loads


• Bridgeable output provides 225 watts into a single 8-ohm load


• 4-pole detachable speaker screw connector (Euroblock connector) with support for up to 12 AWG speaker wire


• Buffered loop output of original signal for connection additional amplifiers


• 12-volt trigger input for power-on/off


• 12-volt trigger output for controlling other devices


• Rear panel volume gain adjustment


• Built-in thermal and short circuit protection circuits


• Includes rackmount ears for mounting a single amp or two amps side-by-side

• Increases the strength of a weak electrical signal without affecting other characteristics


• The sound moves around at 4 Ohm impedance - a joyful journey to audio pitching and loudness, both


• Showcases 2 audio channels with 400 W RMS output power