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Compact black box with LCD screen, RCA, AUX, optical and USB ports

KAIY C36 Bluetooth 5.4 Receiver Optical RCA AUX USB 64GB

SKU CH-S8M6-7JJJQ

Bluetooth 5.4 receiver adds optical, RCA, AUX and 64 GB USB playback to any wired stereo with 33 ft range

  • Chassis size1.8 in × 3 in × 3.54 in
  • USB portsOptical
  • Card slotUSB Flash Drive
  • AM stereo separationStereo, 2
  • FM stereo separationStereo
  • GPS includedC37
  • Bluetooth 5.4 delivers stable wireless streaming up to 33 feet
  • Optical, RCA and AUX outputs connect to 99 % of audio systems
  • USB port plays music directly from a 64 GB flash drive
  • LCD screen shows volume, mode and connection status at a glance
  • Compact 5.1 cm x 8.5 cm x 11.3 cm chassis fits any setup

KAIY C36 Bluetooth 5.4 Receiver

The KAIY C36 is a Bluetooth 5.4 audio receiver that adds wireless streaming to any wired home stereo, amplifier, or powered speakers. It accepts music from phones, tablets, or laptops and outputs through optical, RCA, or 3.5 mm AUX connections. A built-in USB port plays audio files directly from a 64 GB flash drive. The compact 5.1 cm x 8.5 cm x 11.3 cm chassis draws power from a 5 V corded supply.

Ideal for upgrading vintage gear

This unit suits owners of legacy stereos who want wireless convenience without replacing their amplifier or speakers. The three output options cover most analogue and digital inputs found on older equipment. Buyers who need a remote control, an integrated display for track metadata, or battery-powered portability should consider other solutions. The device also lacks an internal amplifier, so passive speakers still require a separate amp.

Bluetooth 5.4 with 33 ft range

The single specification that decides fit is the Bluetooth 5.4 radio, which provides a stable connection up to 33 feet and supports low-latency codecs for video sync. This range and version determine whether the receiver can serve your listening distance and latency requirements.

How it compares

Measured against everything we stock in Car Stereos & Multimedia Receivers, at today’s prices. Recalculated every night.

Price $23.99
Cheaper than about 97% of the 3,253 comparable items (median $212.99).

Specifications

Product
Brand nameKAIY, Dongguan Jieshengda Intelligent Technology Co., Ltd.
Product lineC36
Model nameC36
Part numberC36
Product typeBluetooth DVD Player
Display
Monitor screen sizeSmall, home stereo bluetooth receiver
Connectivity
Bluetooth supportYes
Ports & slots
USB portsOptical
Card slotUSB Flash Drive
Power
Power sourceCorded Electric
Output power5 V DC, Corded Electric
Size & build
Chassis size1.8 in × 3 in × 3.54 in
Product dimensions5.1 cm × 8.5 cm × 11.3 cm
Compatibility
Compatible withHome Stereo System, Speaker
In the box
GPS includedC37
More details
AM stereo separationStereo, 2
FM stereo separationStereo
Playback formatsUSB Flash Drive
FM/AM tunerSpeaker
Remote controllerNo

Questions about this item

What does the 33 ft Bluetooth 5.4 range mean in a real room?

The 33 ft figure is the rated line-of-sight distance; walls and furniture will reduce the practical range, but Bluetooth 5.4 keeps the link stable across typical living-room distances.

How does the optical output cap the audio quality in practice?

The optical port passes stereo PCM up to the source's limit, so you get lossless two-channel audio without the compression of analogue RCA or AUX connections.

What does the 1.8 in x 3 in x 3.54 in chassis need to fit or mount?

The compact 1.8 x 3 x 3.54 in box sits on any flat shelf or can be taped behind a receiver; it only needs a nearby USB power source and space for the RCA, AUX and optical cables.

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