Amp Ultra vs Amp Pro
The Amp Pro's power @ 8ω is 60W against the Amp Ultra's 100W, its power @ 4ω 120W against 200W, and its thd 0.001% against 0.005%. Both share signal-to-noise (120 dB).
AI-generated product photo — not official manufacturer imagery.
AmplifiersIntegrated Amplifiers
Estimated price (community-sourced)
$350 - $549
Around — community and catalog average, updates slowly
About the Amp Ultra
The WiiM Amp Ultra is a stereo streaming amplifier for passive speakers, combining Class-D amplification with network streaming and home-theater connectivity. It uses dual TI TPA3255 amplifier chips, an ESS ES9039Q2M SABRE DAC, and TI OPA1612 op-amps, with post-filter feedback (PFFB) and RoomFit room correction. Features include a 3.5-inch touchscreen, Wi-Fi 6E, Bluetooth 5.3, Ethernet, HDMI ARC with Dolby Digital decoding, optical and line inputs, and a subwoofer output. It supports playback up to 24-bit/192 kHz and delivers 100 W per channel into 8 ohms or 200 W per channel into 4 ohms.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 100W @ 8Ω
- Power @ 4Ω
- 200W @ 4Ω
- Amplifier Class
- D
- Damping Factor
- 94
Analog Output
Analog signal output specifications
- THD
- 0.005%
- SNR
- 120 dB
Connectivity
Input and output connections
- Bluetooth
- Yes
- Wi-Fi
- Yes
- Ethernet
- Yes
- Digital Inputs
- HDMI ARC, optical, line-in
- Analog Outputs
- speaker terminals, subwoofer out
Key Specifications
Power: 100W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions