Monoprice 25 Watt Stereo Hybrid Tube Amplifier with Bluetooth, Optical, Coaxial, and USB Inputs, and Subwoofer Out - Monoprice.com
Amazon.com: Mini Bluetooth Home Audio Stereo Amplifier Receiver, 2×80W 2.1 Channel Digital Class D Integrated Amp for Home Speakers with DAC 24-Bit 192KHz Optical Coaxial AUX Headphone Line Out Jack : Electronics
Amazon.com: Pyle Wireless Bluetooth Home Stereo Amplifier - Multi-Channel 200 Watt Power Amplifier Home Audio Receiver System w/HDMI, Optical/Phono/Coaxial, FM Radio, USB/SD, AUX, RCA, Mic - Remote -PDA9HBU.5 : Home & Kitchen
Drive Digital Verstärker 2x170W/4x85W RMS AUX/Phono/Coax/Optical-In BT Walnuss
PROZOR HiFi Verstärker mit Bluetooth Optischer Eingang 100W+100W 2 Kanal Bluetooth Digital Verstärker mit Fernbedienung Hifi Stereo SPDIF Toslink Koaxial 2.0CH für Passive Lautsprecher : Amazon.de: Elektronik & Foto
The Best Stereo Receiver | Reviews by Wirecutter
Rockville BLUAMP 150 Home Stereo Bluetooth Amplifier Receiver Optical/Phono/RCA - Walmart.com
Amazon.com: Wireless Bluetooth Home Stereo Amplifier - Multi-Channel 200W Power Amplifier Home Audio Receiver System w/Optical/Phono/Coaxial, FM Radio, USB/SD, AUX, RCA, Mic in - Antenna, Remote - Pyle PDA4BU : Electronics
Denon HEOS Wireless Multiroom Stereo Amplifier - Series 2 (Black) | World Wide Stereo
Tmosphere 5.0 Speaker and Receiver Stereo Audio Wireless Adapter with RCA Optical Input Systems - Walmart.com
Amazon.com: Pyle Wireless Bluetooth Home Stereo Amplifier - Multi-Channel 200 Watt Power Amplifier Home Audio Receiver System w/HDMI, Optical/Phono/Coaxial, FM Radio, USB/SD, AUX, RCA, Mic - Remote -PDA9HBU.5 : Home & Kitchen
Amazon.com: Pyle PFA540BT - Wireless Bluetooth Home Audio Amplifier - 100W 5 Channel Home Theater Power Stereo Receiver, Surround Sound w/ HDMI, AUX, FM Antenna, Subwoofer Speaker Input, 12V Adapter : Electronics
High-Resolution Audio Stereo-Verstärker mit USB DAC | UDA-1 | Sony Austria