Amazon.com: SMSL SA100 Bluetooth 5.0 Amplifier 50W x 50W Power 2 Channel Stereo Audio Amplifier Treble Bass Desktop Amp (Black) : Electronics
S.M.S.L SA400 High Resolution Power Amplifier, 2 Digital Power Amp Chips Class D 230W RMS x 2(4Ω), Bluetooth 5.0 APTX/ XLR/ RCA Input (with Remote Control) : Electronics
Amazon.com: S.M.S.L A12 Updated Bluetooth 5.0 Stereo Audio Amplifier, Mini HiFi Class D Integrated 2 Channel Power Amp for Home Speakers with Bass and Treble Control 80Wx2 Infineon's MA12070 : Electronics
Amazon.com: S.M.S.L AD18 HiFi Audio Stereo Amplifier with Bluetooth 4.2 Supports Apt-X,USB DSP Full Digital Power Amplifier 2.1 for Speaker,Small 80Wx2 Class D Amplifier with Subwoofer Output : Electronics
Amazon.com: SMSL HO200 Hi-Res Balanced Headphone Amplifier Low Noise 4xPLFC RCA/XLR Input 6.35mm 4.4mm XLR Balanced Output HiFi Preamp Headphone Amplifiers with High Mid Low Gain Control for AO200 : Electronics
Amazon.com: SMSL VMV A1 High Resolution Power Amplifier, RCA Input 6.35mm Headphone Speaker Output, HiFi Small Delicate Class A AMP with Remote Control : Electronics
SMSL Audio Sap-II PRO Black Headphone Amplifier, Black : Electronics
Amazon.com: S.M.S.L A12 Updated Bluetooth 5.0 Stereo Audio Amplifier, Mini HiFi Class D Integrated 2 Channel Power Amp for Home Speakers with Bass and Treble Control 80Wx2 Infineon's MA12070 : Electronics
SMSL SA50 50Wx2 TDA7492 Class D Amplifier + Power Adapter (Black) : Electronics
Amazon.com: S.M.S.L AD18 HiFi Audio Stereo Amplifier with Bluetooth 4.2 Supports Apt-X,USB DSP Full Digital Power Amplifier 2.1 for Speaker,Small 80Wx2 Class D Amplifier with Subwoofer Output : Electronics