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Small square Bluetooth receiver, matte finish, RCA and 3.5mm ports, NFC tag area

KAIY C53 Bluetooth Audio Receiver with NFC & TF Card

SKU CH-2APZ-M0H9H

Adds Bluetooth, NFC pairing and TF card playback to any stereo via RCA or 3.5 mm inputs with a 33 ft wireless range

  • Audio channels2
  • Size and weight2.71 in × 0.94 in × 2.71 in
  • Key featuresBluetooth audio adapter
  • NFC tap-to-pair connects phones instantly
  • 33 ft stable range keeps music flowing
  • 99% speaker fit via RCA and 3.5 mm jacks
  • TF card slot plays local files without a phone
  • 3D surround mode widens stereo imaging

Modernise Any Stereo

The KAIY C53 adds Bluetooth streaming to any system with RCA or 3.5 mm inputs, covering 99% of speakers from vintage receivers to car audio. A built-in TF card slot also plays local files without a phone. NFC tap-to-pair connects supported devices instantly, while standard Bluetooth pairing remembers the link for automatic reconnection on power-up.

Wireless Range And Power

The adapter maintains a stable connection up to 33 ft, letting you control playback from across the room. It draws power from an external USB source so no internal batteries need charging. With no moving parts the unit runs silently, adding no fan noise or hum to the listening environment.

Upgrade Path And Limits

This receiver replaces tangled cables between a phone or tablet and an amplifier, but it does not add Wi-Fi multi-room, aptX HD or LDAC codecs, or a dedicated remote control. Buyers who need two-way Bluetooth transmission, high-resolution codec support or a second zone output should look at a more advanced streamer.

How it compares

Measured against everything we stock in Wi-Fi & Bluetooth Audio Devices, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 93% of the 297 comparable items (median $63.99).

Specifications

Product
Brand nameKAIY
Model nameC53
Audio & video
Audio channels2
Size & build
Size and weight2.71 in × 0.94 in × 2.71 in
More details
Remote controllerNo

Questions about this item

How do I install the KAIY C53 Bluetooth receiver and which step is often missed?

Plug the adapter into power using the supplied cable, connect the audio cable to your stereo's RCA or 3.5mm input, then pair your phone to "C53" in Bluetooth settings or tap an NFC-enabled phone to the unit for instant pairing.

What maintenance or replacement will the KAIY C53 need over time?

The TF card slot may collect dust; clean it gently with compressed air if playback becomes unreliable. No internal battery or user-serviceable parts are present, so no scheduled replacements are required.

What limit appears first during extended use of the KAIY C53?

The stable Bluetooth range is 33 feet; walls or interference will reduce this distance before any other performance limit is reached.

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