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Brand

1Mii

Bluetooth in both directions, with the codec named

What they actually do

Devices that add Bluetooth to a television or an amplifier that has none, in both directions.

The specification that decides whether it works

Latency, and it only applies if both ends support the same codec. A low-latency transmitter paired with ordinary headphones gives ordinary latency, and that is the most common wasted purchase on this shelf.

Every 1Mii part we have reviewed

  • 1Mii B06 Plus Bluetooth hi-fi receiver with RCA outputs

    1Mii B06 Plus Bluetooth hi-fi receiver

    Class 1 radio with a published indoor and outdoor range — and it switches itself on and reconnects the moment power returns.

    Bluetooth version
    5.3, Class 1 — stated
    Codecs
    aptX HD and aptX Adaptive, with 3D surround stated
    Stated range
    Up to 50 m outdoors in line of sight, 15–20 m indoors — stated
    Outputs
    3.5 mm and RCA — stated
    Power behaviour
    Switches on and reconnects automatically when plugged into a socket — stated
    Voice control
    Pairs through the Alexa app for voice commands — stated
    Amazon reference
    B078J3GTRK (same reference on 6 Amazon marketplaces)
    EAN
    6952917773697
    • Publishes an indoor range as well as an outdoor one, which is the honest way to state it
    • Class 1 radio, which is a genuine hardware difference rather than a version number
    • aptX requires a phone that supports it, which excludes iPhones

    Best for: A hi-fi in one room fed from a phone in another, where range has been the problem.

    ≈ $29 / £25 / 23 €
    Check price on Amazon
  • 1Mii B06TX Bluetooth transmitter with dual antennas

    1Mii B06TX Bluetooth transmitter for TV

    The only transmitter here with four different inputs — it will connect to almost any television, projector or computer without an adapter.

    Inputs
    3.5 mm AUX, RCA, optical and coaxial — stated
    Codecs
    aptX HD and aptX Low Latency — stated
    Dual pairing
    Dual Link, two headphones or speakers at once — stated
    Bluetooth version
    5.3, with a dual-antenna design — stated
    Stated latency
    Reduced with aptX Low Latency; no figure published in this listing
    Pass-through
    Not stated in this listing
    Indicators
    Clearly visible status indicators — stated
    Amazon reference
    DE B0838YPSZT · US B0838YPSZT · GB B08CXKX1SG · FR B0838YPSZT · IT B0838YPSZT · ES B0838YPSZT
    EAN
    6972771392735
    • Four inputs, so it connects to a television, a projector, a computer or an old amplifier without an adapter
    • Dual pairing, which is what makes late-night viewing work for two people
    • A codec only applies if the headphones support it too — aptX Low Latency headphones are not the majority

    Best for: A household with mixed equipment, where the transmitter has to fit whatever socket exists.

    ≈ $37 / 38 €
    Check price on Amazon