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A85030-B

Astrum BT300Multi-Device Wireless Audio Transmitter & Receiver, AUX

Astrum - Astrum BT300Multi-Device Wireless Audio Transmitter & Receiver, AUX
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Prices, images and descriptions are for reference purposes only & may change without prior notice. PLEASE RELY ON ABOVE DESCRIPTIONS AND NOT ON IMAGES. A85030-B Astrum BT300Multi-Device Wireless Audio Transmitter & Receiver, AUX is available from Laptop Direct and it is sold as new from our Bluetooth range of products. For reference purposes, the price of R442 is valid 2026-10-19, and while stocks last, may be valid until . The price displayed is a guide for reference purposes only, and may change without prior notice. Reference prices are an invitation for potential buyers to make an offer to purchase, which we may reject without reason. A quote with final pricing is sent before a purchase can be made. T&C's apply. E&OE. Laptop Direct. You are looking at products found in the Bluetooth category.
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Specification for the entire series

Important information: Kindly note that specifications differ between models. Features, options and accessories displayed below this paragraph are not included with this product unless it has been specified in the above description.


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A85030-B

Astrum BT300Multi-Device Wireless Audio Transmitter & Receiver, AUX

Astrum BT300Multi-Device Wireless Audio Transmitter & Receiver, AUX

Overview Summary

Astrum BT300 Dual Mode BT Transceiver

The Astrum BT300 (model A85030-B) is a versatile BT 5.3 dual-channel transmitter and receiver, perfect for seamlessly switching between streaming from wired sources to Bluetooth devices or receiving audio to wired speakers. With simultaneous connection to two devices in TX mode and intuitive controls, it makes wireless audio effortless.

Compact and portable, the BT300 delivers long battery life, fast charging via USB-C, and support for multiple input formats like AUX and TF card. Ideal for home entertainment, travel, and multi-device setups.

What tier does this fall into?

Mid-range portable audio adapter

What is this best for?

Transmitting audio, receiving audio, dual streaming, travel, home audio, TV audio, phone calls

Overview

Multi-device Wireless transmitter and receiver with dual-mode functionality, the Astrum BT300 allows seamless wireless audio transmission from your wired devices such as HDTVs, car stereos, or speakers. Whether you're streaming from your TV to Bluetooth headphones or receiving music from your phone to a wired speaker, this adapter enhances any setup with wireless freedom.

Equipped with the latest Bluetooth 5.3 technology, the BT300 supports automatic pairing and can connect to two devices at once, enabling you to stream from both simultaneously. You can effortlessly switch between devices-such as sharing music from two phones on one wired speaker or connecting to two wireless headphones in TX mode for a truly shared audio experience.

The built-in rechargeable battery delivers up to 13 hours of continuous playtime, and with USB-C fast charging, you can quickly top up the battery and even use the device while charging-ideal for extended use at home, on the road, or during travel.

Flexible input options include 3.5mm AUX and TF card support (up to 64GB), making it compatible with a variety of devices from gaming consoles and PCs to stereos and amplifiers. An intuitive knob interface and dynamic display allow for precise volume control and real-time information, such as battery life and connection status.

Compact, lightweight, and designed for convenience, the BT300 also includes a hands-free mic for calls, RGB light accents, and high-fidelity support for formats like MP3, WAV, and lossless FLAC.

Description

The Astrum BT300 is thoughtfully engineered for audio flexibility. Measuring just 45 x 45 x 16 mm and weighing only 33 g, it blends portability with robust performance. In transmitter mode, it can handle two Bluetooth connections at once-so you can listen with a friend or broadcast from two different sources simultaneously. As a receiver, it breathes wireless life into any wired speaker or car system.

The device runs on Bluetooth 5.3, delivering low-latency, reliable audio up to 10 m away. A convenient knob and display bring easy control, revealing battery status and volume as you go. The TF card slot accepts cards up to 64 GB, while the 3.5 mm AUX jack ensures compatibility with a wide range of devices. USB-C charging delivers full battery in just 2 hours, and the unit supports use during charging. Added touches like RGB lighting and a built-in mic make it a functional, modern companion for entertainment and communication on the move.

Features

  • Dual Mode: Transmit & receive wireless audio
  • Supports simultaneous connection of two devices in TX mode
  • Multi-device pairing with easy switching
  • USB-C fast charging with up to 13 hours of playtime
  • Hands-free microphone for calls
  • 3.5mm AUX and TF card input (max 64GB)
  • RGB lighting and digital display for clear status updates
  • Compact and portable design for use anywhere
  • High-res audio decoding: MP3 / WMA / WAV / lossless FLAC

What's in the Box

  • 1 x Astrum BT300 Transceiver (model A85030-B)
  • 1 x User Manual

Specifications

© 2025 Respective owners and brand holders. This table has been carefully researched and generated by Laptop Direct CC (https://www.laptopdirect.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specificationsspacer
Product CodeA85030-Bspacer
Bluetooth Version 5.3 (range up to 10m)
Decoding MP3 / WMA / WAV / FLAC
Input Voltage 5V DC
Charging Time 2 hours (approx.)
Working Time RX - 11 hours / TX - 13 hours
Dimensions 45 x 45 x 16mm
Weight 33g
Input/Output 3.5mm AUX, TF card (up to 64GB)

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