WiiM Amp Ultra, Silver

Features

• 100W Hi-Fi Amplifier
• Audiophile Components
• Next-Gen Connectivity
• Built-In RoomFit™ Room Correction
• Smart Touchscreen Design
• Multi-Room & Voice Control
• Stream Everything You Love

Specifications

Dimensions and Weight

Dimensions: 7.87 x 8.3 x 3 inches (200 x 211 x 76.2 mm)

Weight: 5.4 lbs (2.45 kg)

Audio Performance

• Power Output (THD = 0.08%, two channels driven):  100 W per channel @ 8Ω, 200 W per channel @ 4Ω

• Amplifier Technology :  Class-D with PFFB (Post-Filter Feedback) technology

• Total Harmonic Distortion (THD+N):  -106dB (0.0005%) at 5W

• Signal-to-Noise Ratio (SNR) :  121dB

• Damping Factor:  282 (8 Ω, 1 kHz); 146 (4 Ω, 1 kHz)

• Frequency Response:  20Hz-45kHz, 20Hz-20k (±0.5dB)

• Impedance Range:  2 – 8Ω

Audio Processing

Premium Audio Components:  ESS 9039Q2M high-performance DAC, Dual TI TPA3255 Amps, TI OPA1612 op-amps for ultra-low distortion and rich, detailed sound.

Bit-Perfect Playback:  Supports up to 192kHz/24-bit audio

Dynamic Range:  121dB

Audio Input

1 x Line In:

• 2 Vrms
• Analog signal, converted to digital via ADC (up to 192 kHz/24-bit)

1 x Optical In:

• Up to 192kHz/24-bit
• Supports Stereo PCM and Dolby Digital (DTS is not supported)

1 x HDMI ARC:

• Up to 192kHz/24-bit
• Supports Stereo PCM and Dolby Digital (DTS is not supported)

Audio Output

Speaker Outputs:  Gold-plated binding posts (supports banana plugs or bare wire connections)

1 x USB Out:  up to 24-bit/192kHz; UAC 2.0 compliant

1 x Subwoofer Out

External USB Storage

Access personal media library and use it as a media server for other WiiM and DLNA devices.
Support FAT32, NTFS, and EXT4 file systems.

Network

Wi-Fi 6 (Upgradeable to Wi-Fi 6E via a software update)
10/100M Ethernet

Bluetooth

BT 5.3

Audio Codec

AAC, ALAC, FLAC, MP3, WAV, WMA, and more

Supported Streaming
Protocol

Google Cast Audio, DLNA, Spotify Connect, TIDAL Connect, Amazon Music Casting, QPlay 2.0, Squeezelite, Roon Ready

Streaming Services in App

Spotify, Amazon Music, Deezer, TuneIn, TIDAL, Qobuz, SoundCloud, Pandora, iHeartRadio, vTuner, Sound machine, etc.

Smart Audio & EQ

RoomFit™ auto-correction

24 preset EQ settings, 10-band Graphic EQ, 10-band Parametric EQ

Power Input

100~240V AC, 50/60Hz, 500W

LED

4-Color RGBW LED indicates the device status.

Design & Controls

Chassis: Precision-machined unibody aluminum for durability & heat dissipation

LCD Touchscreen: 3.5-inch display for playback control and settings

Physical Controls: Multifunctional rotary knob (Volume, Play/Pause)

Thermal Management: Copper heat pipe, large aluminum heatsink, unibody aluminum case, and precision PID thermal control

Cooling System: Passive, silent operation

Group with Nest speakers and Display: Yes

Group with Echo speakers and Display: Yes

Alexa Multiroom with UHD: Yes

Group with HomePods: No

Works with Alexa: Yes

Works with Google: Yes

Works with Siri: No

Group with WiiM or Linkplay devices: Yes

Package Contents

WiiM Amp Ultra x 1
WiiM Voice Remote 2 x 1
Quick start guide x 1
Banana plugs x 4
100-240V AC power cable x 1
RCA audio cable x 1
HDMI cable x 1
Optical audio cable x 1

Note: AC power cable will vary by region.