Fosi Audio BT30D Bluetooth 2.1 CH Power AmplifierThe Bluetooth Stereo Amplifier adopts performance 2pcs texas instrument TPA3116D2 amp chip, dual channel max output power 50W x2 +100W to get clear audio sound, no pop, no audible noise, dead silent when nothing is playing through it; Speakers full frequency output, By using the custom treble bass knob and adjustable 40 300Hz cutoff frequency for the subwoofer, you'll be able to get the best sound; Supports wireless playback from Bluetooth devices,

and gold-plated pure copper connectors

with values ranging from $30 to $50 USD

Converts Phono Signals: Compact ultra-low noise phono turntable preamp that converts phono signals to line-level signals with Low-noise integrated circuits and high-quality components to remove low-frequency noise to ensure clear sound quality

Supports AirPlay 2

SK02 Windows 7 Drivers

TP-01 Subwoofer Amplifier Receiver 100W

you can effortlessly defeat all the tone adjustments with just a click on the PURE button

delivering a warm and rich experience

RCA output allows expansion with additional active subwoofer or amplifier

and excellent sound quality

Supports balanced XLR in/out for cleaner sound

The StepSense™ sound card is lightweight and portable