Bluetooth 5.4 Audio Transmitter Receiver HiFi Adapter w/ Optical RCA AUX USB TF

Upgrade vintage stereo systems, studio setups, amplifiers, powered speakers, and home audio gear with this Bluetooth 5.4 HiFi Audio Transmitter & Receiver, designed for musicians, audiophiles, producers, gamers, and modern listening environments that demand flexible wireless audio connectivity.

Featuring both transmitter and receiver functionality, this versatile desktop audio adapter allows you to stream high-quality wireless audio to non-Bluetooth equipment or transmit sound wirelessly from TVs, computers, media players, and stereo systems with low-latency stable performance.

Perfect for:

• HiFi stereo systems
• Music production setups
• Guitar & keyboard practice rigs
• Powered studio monitors
• Vintage amplifiers & receivers
• Home theater systems
• Gaming setups
• Car audio systems
• Projectors & media centers
• Vinyl & DAC listening stations

The integrated LCD display provides clear real-time mode and connection status visibility, while Bluetooth 5.4 technology delivers improved stability, reduced latency, and cleaner wireless audio performance for music playback, movies, gaming, and casual listening.

With AUX, RCA, optical, and coaxial connectivity, the GT87 easily integrates into modern and vintage audio systems alike, making it ideal for converting older analog gear into wireless-capable equipment without replacing your existing setup.

The built-in USB and TF card playback support adds standalone media player functionality, allowing direct playback of music files without requiring an external source device.

Treble and bass adjustment controls help tailor the sound signature for different speaker systems, listening rooms, genres, and playback preferences.

Features

• Bluetooth 5.4 wireless audio
• Transmitter & receiver modes
• LCD status display
• USB music playback support
• TF card music playback
• AUX audio input/output
• Optical digital input
• Coaxial digital input
• RCA stereo connectivity
• DSP stereo audio processing
• Treble & bass adjustment
• Automatic Bluetooth reconnect
• Long-range wireless performance
• Type-C powered design

Ideal For

• Vintage stereo upgrades
• Wireless HiFi streaming
• Desktop audio systems
• Studio monitor setups
• Guitar practice rigs
• Gaming audio systems
• Home theater audio
• Car stereo integration
• Powered speaker systems
• TV wireless audio transmission

Connectivity Options Inputs

• AUX Audio Input
• Optical Input
• Coaxial Input
• USB Playback
• TF Card Playback

Outputs

• AUX Audio Output
• Bluetooth Wireless Audio

Technical Specifications Bluetooth Version

• Bluetooth 5.4

Wireless Range

• Up to 20 Meters

Supported Storage

• USB Drive
• TF Card up to 64GB

Power Supply

• USB Type-C

Bluetooth Frequency

• 2.402GHz – 2.480GHz

Device Compatibility

• Amplifiers
• Stereo receivers
• Desktop PCs
• Laptops
• Tablets
• Cars
• Projectors
• Powered speakers

Dimensions

• Approx. 101 × 90 × 94.7mm

Included Accessories

• Bluetooth Audio Adapter
• 3.5mm Audio Cable
• Optical Cable
• Coaxial Cable
• USB Power Cable
• User Manual