uStream Three
True Wireless Bluetooth Stereo Speaker System · 3-Way Flagship
uStream Three is the Mitchell Acoustics flagship: a three-way, tri-amplified true wireless stereo speaker pair rated at 240W RMS (120W RMS per channel). Each 500mm cabinet runs a 76mm silk film tweeter, a 120mm ceramic aluminium mid-range and a 165mm ceramic aluminium woofer, each on its own Texas Instruments amplifier. HDMI ARC and optical inputs sit on the left speaker, alongside RCA and 3.5mm analogue inputs. The pair links automatically, with no app and no Wi-Fi. 2-year warranty.
The uStream Three runs three separate drivers: a 76mm silk tweeter, a 120mm ceramic aluminium mid-range, and a 165mm ceramic aluminium woofer. Each has its own dedicated Texas Instruments amplifier. Tri-wired. 120W RMS per channel. At no point in the signal path does any driver share an amplifier with another. This is what separation between instruments sounds like when it is not being compromised.
The ceramic aluminium diaphragm on the mid and bass drivers is rigid enough to control at high excursion and light enough not to colour the sound. The silk tweeter handles the top end without hardness. At 500mm tall and 8.5kg per cabinet, the uStream Three is not a speaker you move around. It is a speaker you set up once and stop thinking about, because there is nothing left to improve.
OPTICAL and HDMI ARC inputs sit on the rear of the left speaker. Connect to a television and the uStream Three replaces a cinema system. The stereo soundstage at this power level and driver separation produces a width and depth that surround sound formats attempt to simulate with processing. The uStream Three achieves it with physics.
Amazon Alexa and Google Home integration make it voice-controllable as a whole-home system. A WiiM Mini brings AirPlay 2 and hi-res streaming. The uStream Three is the top of a range designed to work together. You can start with the uStream Cube and end here, and everything connects to the same ecosystem without a single incompatibility.
Product Gallery
Specifications
240W
RMS POWER
BT 5.3
True Wireless
30Hz
Freq. Response
3-Way
Tri-Wired Array
AUDIO
CONNECTIVITY
POWER
PHYSICAL
IN THE BOX
Audio
RATED POWER OUTPUT
60W RMS woofer + 40W RMS mid-range + 20W RMS tweeter per speaker
TOTAL RMS POWER
240W RMS (120W per channel)
THD
< 1% at 1W / 1kHz
Impedance
Treble 8Ω · Mid 4Ω · Bass 2Ω
Frequency Response
30Hz – 20kHz
SNR
> 80dB
SPEAKER Driver
Treble 76mm (3") · Mid 120mm (4.5") · Bass 165mm (6.5")
Diaphragm
Silk film (treble) · Ceramic aluminium (mid & bass)
Amplifier
Texas Instruments TPA3116D2 (tri-wired, each driver its own amp)
The uStream range
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Trusted Reviews
"A confident, musically satisfying and refreshingly uncomplicated system"
Bristol Hi-Fi Show
Exhibitor
What Hi-Fi? France (translated)
"Hard to find better value for money today"
T3 France (translated)
"Probably the best Bluetooth speakers you've ever heard"