The WiiM Amp Ultra is WiiM’s flagship all-in-one streaming amplifier, combining powerful Class-D amplification, a premium ESS SABRE DAC, high-resolution streaming, advanced room correction and touchscreen control in a compact aluminium chassis. It delivers 100W per channel into 8Ω or 200W per channel into 4Ω, making it suitable for demanding passive loudspeakers and premium stereo systems. :contentReference[oaicite:0]{index=0}
| Product Type | Hi-Res Stereo Streaming Integrated Amplifier |
|---|---|
| Power Output – 8Ω | 100W per Channel |
| Power Output – 4Ω | 200W per Channel |
| Amplifier | Dual TI TPA3255 Class-D |
| DAC | ESS ES9039Q2M SABRE |
| Op-Amps | 6 × TI OPA1612 |
| Amplifier Technology | Post Filter Feedback (PFFB) |
| Signal-to-Noise Ratio | 120dB |
| THD+N | 0.0005% (-105dB) at 5W |
| Maximum Streaming Resolution | 24-bit / 192kHz |
| Display | 3.5" Glass-Covered Colour Touchscreen |
| Audio Inputs | HDMI ARC / Optical / RCA Line In / USB |
| Audio Outputs | Speaker Terminals / Subwoofer Out / USB Audio |
| Wi-Fi | Wi-Fi 6E |
| Bluetooth | Bluetooth 5.3 with LE Audio |
| Ethernet | Yes |
| Room Correction | Yes |
| Multi-Room Audio | Yes |
| App Control | WiiM Home |
| Chassis | Unibody Aluminium |
Connect passive speakers directly to the Amp Ultra, a television through HDMI ARC, analogue equipment through RCA Line In, or digital sources through Optical and USB. A dedicated subwoofer output allows integration with an active subwoofer, while room correction can optimise both speaker and subwoofer response for the listening space.