








WiiM / OSD Audio
WiiM AMP Ultra + OSD Audio R83 8" Ceiling Speakers (Pair)
WiiM AMP Ultra + OSD Audio R83 8" Ceiling Speakers (Pair)
Lee-On-The-Solent, Hampshire
Unit P1, Pegasus Building
Daedalus Drive
Lee-On-The-Solent PO13 9GX
United Kingdom
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Turn a single room into a proper stereo listening space with this complete WiiM AMP Ultra and OSD R83 ceiling speaker system.
It pairs WiiM's flagship streaming amplifier with a pair of OSD Audio's reference-grade 8" in-ceiling speakers, giving you discreet, high-fidelity sound with nothing visible on a shelf.
Everything streams, calibrates and controls from the WiiM Home app, so a great-sounding room is only a few taps away.
Ideal For: Filling a single living room, kitchen or bedroom with rich, full stereo sound from discreet in-ceiling speakers.
The WiiM AMP Ultra drives the two R83 speakers as a dedicated left and right pair, delivering genuine stereo separation rather than flat background sound.
With 100W per channel on tap and the R83's carbon fibre woofers, there is more than enough power and detail for music, films and everyday listening.
- Complete Single-Room System: Amplifier and a matched pair of ceiling speakers supplied together, ready to wire up and stream.
- True Stereo Sound: The R83 pair runs as dedicated left and right channels for proper width and separation in one room.
- All-In-One Streaming: Built-in Wi-Fi with Spotify Connect, TIDAL, Qobuz and Amazon Music means no separate streamer is needed.
- HDMI ARC For TV: Connect a television directly for clearer, fuller sound from films and shows.
- Reference-Grade Speakers: 8" carbon fibre woofers and pivoting tweeters deliver audiophile-grade detail from a flush ceiling fit.
- Discreet Installation: The flush-mount R83 speakers sit neatly into the ceiling, leaving the room clutter-free.
- Amplifier Type: Class D
- Power Output: 100W per channel (8 Ohms), 200W per channel (4 Ohms)
- High-Resolution Audio: 24-bit / 192kHz
- Connectivity: Dual-band Wi-Fi, Ethernet
- Inputs & Outputs: Optical, HDMI ARC, Line-In, USB, Subwoofer Out, Ethernet
- Streaming Services: TIDAL, Qobuz, Amazon Music, Spotify and more
- Voice Assistants: Alexa, Google Assistant, Siri
- Display: 3.5" LCD colour display
- Chassis: Aluminium
- Control: WiiM Home app
- Quantity: 2 speakers (one pair)
- Woofer: 8" carbon fibre with TPR thermal surround
- Tweeter: 1" ceramic-coated aluminium pivoting dome
- Crossover: 12dB with contour switch
- Frequency Response: 28Hz - 20kHz
- Power Handling: Up to 175W
- Sensitivity: 91dB
- Impedance: 8 Ohms
- Dimensions (Diameter × Depth): 265.9 × 95.5 mm
- Cutout Diameter: 241.3 mm
- Warranty: Limited Lifetime
AMPLIFIER
- 1 x Amplifier
- 1 x Power Lead
- 1 x RCA Cable
- 1 x Optical Cable
- 1 x HDMI Cable
- 1 x Remote Control
- 4 x Banana Plugs
- 1 x User Manual
SPEAKERS
- 2 x R83 Ceiling Speakers
- 2 x White Grilles
- 1 x Cut Out Template
- 1 x Owners Manual
- 20m x 2 Core Speaker Cable
