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Nobsound HiFi Stereo Bluetooth 5.0 Power Amplifier Subwoofer Audio Amplifier with USB DAC SPDIF Digital Input USB/Opt/Coax APTX-LL 240W (120W + 120W) : Amazon.de: Electronics & Photo
Fosi Audio BL20C 320 Watts Bluetooth 5.0 Stereo Audio Receiver Amplifier 2.1 CH Mini Hi-Fi Class D TDA7498E Integrated Amp U-Disk Player for Home Passive Speakers Powered Subwoofer(with Power Supply)
Amazon.com: ATNEDCVH Mini Small Stereo Audio preamplifier, Headphone Amplifier, Gain 20dB Phono Turntable Phonograph preamp, Dual op amp NE5532 with RCA 3.5mm Input to RCA 3.5mm Output : Electronics
Amazon.com: Fiber/Coax + PC-USB Input DAC Decoder, with Headphone Amplifier Audio Decoding Support for 3.5mm Headphone(Black) : Electronics
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DA2120C 2.1 Channel Bluetooth Amplifier 120W x2 + Q4 - Mini Stereo Gaming DAC & Headphone Amplifier, 24-Bit/192 KHz USB/Optical/Coaxial to RCA AUX
AIYIMA D05 Bluetooth 5.0 Power Amplifier 120Wx2 Stereo HiFi 2.1 CH Digital Sound Amplificador 24Bit/192kHz Class D Amp USB DAC Coaxial Optical OLED AptX, Support Subwoofer & with Remote (D05)
AIYIMA A07 TPA3255 Power Amplifier 300Wx2 HiFi Class D Stereo Digital Audio Amp 2.0 Channel Amplifier for Passive Speaker Home Audio (Without Power Adapter) : Amazon.in: Electronics
Amazon.com: SMSL HO100 Balanced Headphone Amplifier 3000mW×3000mW RCA/XLR Input 6.35mm/4.4mm Balanced Headphone Output HiFi Home Audio Headphone Amp with Gain Control : Electronics
Amazon.com: Audio Decoder Headphone Amplifier, AC-Q3 PRO DAC Decoding Audio Decoder with Headphone Amplifier for 3.5MM Headphones (Silvery) : Electronics