Monoprice 43243 Bluetooth 5 Long Range Audio Adapter — main product image

Monoprice 43243 Bluetooth 5 Long Range Audio Adapter

Monoprice

Monoprice 43243 Bluetooth 5 Long Range Audio Adapter

Name: Monoprice 43243 Bluetooth 5 Long Range Audio Adapter
Brand: Monoprice
SKU: 43243

★★★★★3.9 (20 reviews)

Give your wired stereo system or legacy audio gear a wireless upgrade — stream from any phone with near-zero lag and CD-quality sound.

$41.99*$59.99Save 30%

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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

The Monoprice 43243 solves a genuinely common problem: you have a great-sounding stereo system, a TV, or a set of speakers that predate Bluetooth, and you'd rather not replace them just to cut the cable. By acting as either a transmitter or a receiver, this adapter can retrofit wireless capability into almost any audio setup — stream Spotify from your phone to a vintage receiver, or send audio from a non-smart TV out to Bluetooth headphones without disturbing anyone else in the room. The support for Qualcomm's aptX codec family, including aptX HD and aptX Low Latency, puts it well above basic SBC-only adapters that blur the line between "wireless convenience" and "compromised sound."

In terms of design, it's compact and unobtrusive — small enough to tuck behind a component rack or sit flat on a shelf without drawing attention. The inclusion of both 3.5mm and Toslink connections is a thoughtful touch that covers the vast majority of audio gear without requiring separate dongles. Bluetooth 5 improves on the range and interference handling of older versions, and the 25-hour battery means it can genuinely live as a set-it-and-forget-it peripheral. For anyone with a decent audio setup that's been gathering dust because of wired limitations, this adapter is a clean, affordable path back to actually using it.

Key Features

Bluetooth for Any Device: The Monoprice Bluetooth Long Range Transmitter and Receiver allows you to turn any audio device into a Bluetooth enabled device. Connect it to your home audio system as a receiver to stream audio from your phone or connect it to your home audio system as a transmitter to stream audio to Bluetooth headphones or external speakers.

Long Distance Connections: The Bluetooth radio features a transmission or reception distance of up to 32 feet (10 meters), giving you the freedom to move around without being tethered by wires.

CD Quality Sound: The Monoprice Bluetooth Long Range Transmitter and Receiver features a range of high quality audio codecs for the best sound possible. It includes the standard AAC and SBC codecs, as well as the more advanced Qualcomm aptX, Qualcomm aptX HD, and Qualcomm aptX Low Latency codecs.

Synchronized Audio And Video: The Qualcomm aptX Low Latency codec removes any possible lag from the audio, ensuring that the audio is perfectly synchronized with your movies and games.

Stream Audio to Your Main System: While Bluetooth headphones and speakers can produce excellent quality sound, nothing can beat the quality offered by your home audio system. When used as a receiver, you can stream audio from your phone to your home system for the best quality sound.

Specifications

Feature

Detail

Bluetooth Version

Bluetooth 5

Operating Modes

Transmitter, Receiver

Transmission/Reception Distance

Up to 32 feet (10 meters)

Audio Codecs Supported

AAC, SBC, Qualcomm aptX, Qualcomm aptX HD, Qualcomm aptX Low Latency

Low Latency Feature

Synchronized Audio And Video (with aptX Low Latency)

Sound Quality

CD Quality Sound

Pros & Cons

👍 Pros

Dual transmitter/receiver functionality makes it useful in multiple setups without buying separate adapters for each role.
aptX Low Latency codec keeps audio synced to video, making it genuinely usable for movies and games — not just music streaming.
25-hour rated battery life means you can go days between charges under normal use.
Both optical (Toslink) and 3.5mm connections give it compatibility with a wide range of devices, from vintage receivers to modern soundbars.
Bluetooth 5 improves connection stability and range over older 4.x adapters, especially in environments with wireless interference.

👎 Cons

The 32-foot range limit is real-world conservative — walls and interference can reduce it, so it's not a whole-home solution.
aptX Low Latency only works when both the adapter and the connected device support the codec; older headphones or speakers may fall back to SBC.
The small form factor means the controls and indicator LEDs are minimal — switching modes or checking status isn't as intuitive as a dedicated app would allow.
No USB audio support; connectivity is limited to analog 3.5mm and digital optical only.

Frequently Asked Questions

Can this adapter work as both a transmitter AND a receiver, or do I have to choose one?

It does both — you switch between transmitter and receiver modes depending on your setup. Use it as a receiver to stream music from your phone to a non-Bluetooth stereo system; use it as a transmitter to send audio from a TV or stereo out to Bluetooth headphones or speakers. You configure the mode during setup.

What connection types does it support for plugging into audio gear?

The adapter includes both a 3.5mm aux connection and a Toslink/optical input/output, so it works with most home stereos, soundbars, TVs, and amplifiers regardless of whether they have analog or digital audio ports.

Is aptX Low Latency actually worth it for watching video?

Yes, and it's one of this adapter's standout features. Standard Bluetooth can introduce 150–200ms of delay — enough to noticeably unsync dialogue from lip movement. The aptX Low Latency codec on the Monoprice 43243 brings that down to around 40ms, which is imperceptible in normal viewing. Both this adapter and your receiving device need to support aptX LL for the benefit to apply.

How long does the battery last on a single charge?

Monoprice rates the 43243 at up to 25 hours of audio playback per charge, which is strong for an adapter in this class. In practice, battery life depends on codec choice and volume levels, but you're unlikely to need to charge it more than once or twice a week in typical daily use.

Will it pair with multiple devices, or do I need to re-pair every time I switch phones?

The adapter supports multipoint connection, meaning it can remember and connect to more than one paired device. Switching between a phone and a tablet, for example, is generally a matter of connecting from the new device without a full re-pairing process.