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Compact black polycarbonate car adapter with four USB ports and coloured LED lighting

Nulaxy BC91 Bluetooth 5.3 Car Adapter 54W 4-Port

SKU CH-R5K6-9G3Z0 MPN BC91

Bluetooth 5.3 FM transmitter with 54W four-port fast charging, hands-free calls and deep bass

  • Screen sizeModern
  • Labor warranty1 Year
  • Adjustable subsonic filterHands-Free Calls, Built-In Microphone, 54 W High Power Fast
  • Cable typeFemale-to-Male
  • Audio channelsStereo
  • Electrical ratingModern, 12 V DC
  • Hands-free calls with built-in microphone for safer driving
  • Bluetooth 5.3 gives faster, stable audio streaming
  • 54W total output across four ports charges multiple devices
  • Five-colour LED backlight aids night-time operation
  • Deep bass boost enhances music playback quality

Bluetooth 5.3 car adapter with 54W charging

The Nulaxy BC91 plugs into a 12 V socket and adds Bluetooth 5.3 audio streaming, hands-free calls and four USB ports to any vehicle. It targets drivers who want wireless music, clear conversations and fast charging for multiple devices without replacing the factory stereo.

Sustained 54W output across four ports

PD 36W and QC 18W circuits share the 54W budget so phones, tablets and accessories charge together without throttling. Bluetooth 5.3 maintains a stable link during long trips, while CVC noise cancellation keeps voice quality steady even when the cabin gets loud.

Replaces single-port chargers

The jump is worth it when you need simultaneous charging for several gadgets, prefer Bluetooth 5.3 over Bluetooth 5.0 for faster pairing, or want one-touch bass and five-colour LED lighting for easier night operation. Not for vehicles whose 12 V socket sits in a deep recess that blocks the 24 mm plug.

How it compares

Measured against everything we stock in Car Audio Accessories & Wiring, at today’s prices. Recalculated every night.

Price $21.99
Typical for this category: the median of 2,768 items is $21.99.

Specifications

Product
Brand nameNulaxy
Model nameBC91
Product typeBC91
Performance
Effective rangeBluetooth 5.3, usb c, bluetooth
Display
Screen sizeModern
Audio & video
Audio channelsStereo
Frequency rangeColorful Lighting Effects
Audio inputsMicrophone
Audio outputsSpeaker
Headphone styleStereo
Ports & slots
Cable typeFemale-to-Male
Power
Electrical ratingModern, 12 V DC
Power detailsBattery Powered
Rated voltage12 V DC
Size & build
Product weight0.068 kg
Head unit size5.4102 cm × 6.7056 cm × 10.5918 cm
Main materialPolycarbonate (PC)
In the box
Included hardwareNo
More details
Adjustable subsonic filterHands-Free Calls, Built-In Microphone, 54 W High Power Fast Charging, Colorful Lighting Effects
Cut out diameterSmall
Drilling requiredPlug in Car Socket
Inner hole diameter for wireSmall
Number of links to amplifier4
SNRColorful Lighting Effects

Questions about this item

Does the BC91 run hot or draw much power when all four ports are charging devices at 54W?

The adapter delivers up to 54W total through PD 36W and QC 18W ports while plugged into a 12 V socket; it is designed for continuous in-car use without overheating.

What must my car already have for the BC91 to work?

A standard 12 V accessory socket with a 24 mm diameter and 57 mm depth; the spring-clip plug fits most vehicles but not deeply recessed sockets.

Will the BC91 pair reliably with a phone that only supports Bluetooth 5.0?

Yes — Bluetooth 5.3 is backward compatible, so a Bluetooth 5.0 phone will connect for calls and audio streaming without extra setup.

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