Wireless HiFi Audio Transmitter/Receiver QOLTEC Q with Bluetooth 6.0, NFC, 2×RCA, 1×3.5mm for Home and Car

QOLTEC Q is a compact wireless HiFi audio transmitter and receiver engineered for home and car audio systems. It supports Bluetooth 6.0 and NFC for fast pairing and offers analog connections via two RCA ports and a 3.5 mm jack. The device allows streaming from smartphones, tablets and other Bluetooth sources to stereo systems, or conversely enables older wired HiFi and car audio systems to receive audio wirelessly without additional adapters. Its dual-mode operation (transmit and receive) and simple physical connections make it suitable for adding Bluetooth capability to a variety of audio setups.

Advantages

The unit combines modern wireless standards with classic analog outputs, enabling stable Bluetooth 6.0 audio transmission and one-touch NFC pairing for quick connections. Its dual RCA and 3.5 mm outputs provide compatibility with most home stereos and vehicle aux inputs. The compact form factor and clear mode switching simplify installation and daily use, while preserving the original sound path of connected devices through analog outputs.

Suitable for

• Streaming music from phones or tablets to a home stereo system
• Adding Bluetooth receive capability to older HiFi equipment
• Connecting mobile devices wirelessly to car audio via aux input
• Using as a transmitter to send audio from non-Bluetooth sources to Bluetooth headphones or speakers

Key specifications

• Bluetooth version: 6.0 for wireless audio connectivity
• NFC: one-touch pairing support for compatible devices
• Analog outputs: two RCA connectors and one 3.5 mm jack
• Operating modes: transmitter and receiver (dual-mode)
• Power: powered via standard USB supply (USB power cable required)
• Form factor: compact design suitable for shelf or dashboard placement

How to use

Select the desired operating mode (transmit or receive) according to whether you want to send audio from a wired source to Bluetooth devices or receive Bluetooth audio to a wired system. Connect the QOLTEC Q to your stereo or car aux input using the RCA cables or 3.5 mm cable. Power the device from a USB power source. For Bluetooth pairing, enable Bluetooth on your phone or tablet and choose the QOLTEC Q from the available devices; for NFC-capable devices, tap to pair. Once paired, play audio from the source device and adjust volume from the source or the connected audio system.

Usage recommendations

Place the device where it has a clear line of sight to the paired Bluetooth device for best signal stability. Use RCA connections for the highest compatibility with home receivers and the 3.5 mm jack for in-car aux inputs. Keep the unit away from large metal obstructions and unshielded power supplies to reduce interference.