This compact Bluetooth audio amplifier allows the connection of Bluetooth devices to low impedance speakers via the built-in power amplifier. It also has an auxiliary input so devices can be connected by 3.5mm jack connection.
eBay
1x T182 Bluetooth Receiver. - Bluetooth 5.0 audio receiver: Dual interface with low latency; Hifi receiver. - Turn you old speakers, power amplifier and audio mixer into Bluetooth devices by using the receiver and an audio cable.
eBay
PTT Features：. PTT interface: U-174 / U socket + 6 pin plug. PTT Compatible PRC-148/152, FCS-148, U94, PELTOR ,US military original communication models. Headset Features. Headset jack: U-174/U plug. (Don't include Battery).
eBay
Upgraded Features for Versatile Use: The A5 PRO builds on the strengths of the A5, featuring upgraded Bluetooth 5.1 connectivity with a reset button, bass and treble knobs for precise tone adjustments, and a headphone output. It delivers clear, powerful audio, perfect for diverse uses from bedroom movies to desktop setups. Easy Customization with Plug-and-Play Op-Amps: Upgrade your sound effortlessly! Douk Audio A5 PRO includes a tempered glass access panel for quick op-amp replacements, allowing audiophiles to tailor sound profiles without disassembling the unit.
eBay
You've got great headphones but they aren't Bluetooth?. Phone missing a headphone jack?. Discrete DAC + aptX = powerful, clear sound. aptX gives you CD quality audio over Bluetooth for aptX compatible devices; non-aptX devices use high quality AAC audio (iPhone/iPad) or MP3 audio (Android).
eBay
Multiple input way: With Bluetooth/Stereo RCA/USB/FM Radio and MIC input, compatible with almost all audio devices such as MP3, phone, tablet, computer, CD players etc. to meet different needs of home audio systems and enjoy karaoke easily. Powerful Output:With a rated output power of 40W+40W, this system is designed to support speakers with impedance ranging from 4 to 16 ohms.It has a good match with most home & car & boat speakers, can give your entertainment system a boost, with unrivaled sound superiority and lets you enjoy high quality amplified audio.
eBay
PTT Features：. PTT interface: U-174 / U socket + 6 pin plug. PTT Compatible PRC-148/152, FCS-148, U94, PELTOR ,US military original communication models. Headset Features. Headset jack: U-174/U plug. (Don't include Battery).
eBay
Abundant audio I/O interfaces: with 5 kinds of audio input (Bluetooth / PC-USB & U-disk / SD card / AUX / FM radio) and 4 kinds of audio output (Coaxial / Optical / Stereo RCA / 3.5mm headphone jack), compatible with different home audio devices such as phone, computer, CD player, TV, projector, amplifier, active speaker and so on. Strong function to meet different needs: not only an audio processor, also a Bluetooth receiver, an analog to digital converter, a music player, a USB DAC, a headphone amp etc. Besides MP3, also supports lossless format such as APE, FLAC, WAV(DTS), WMV, providing HiFi listening experience. Easy to set-up, truly plug-and-play.
eBay