The WiiM Amp Ultra is a premium all-in-one streaming amplifier designed to deliver powerful performance, high-resolution music playback and convenient smart home integration. Its Class D amplification, featuring dual Texas Instruments TPA3255 amplifier chips and Post-Filter Feedback (PFFB) technology, produces 100W per channel into 8 ohms or 200W per channel into 4 ohms. An ESS ES9039Q2M DAC and six TI OPA1612 op-amps support detailed audio reproduction, while Wi-Fi 6, Bluetooth 5.3 and Ethernet provide flexible connectivity for streaming music from services including Spotify, TIDAL and Qobuz.
The Amp Ultra features a 3.5-inch touchscreen and multifunction control dial for convenient access to playback and settings, alongside HDMI ARC for connecting a television. Optical and analogue line inputs accommodate additional audio sources, while USB storage playback, a USB audio output and a dedicated subwoofer connection offer further system flexibility. RoomFit automatic room correction, graphic and parametric EQ allow the sound to be tailored to the listening environment, while Google Cast, Roon Ready and multi-room support make it easy to integrate into a wider home audio system.