Amplifier Type: Class D, Output Type: 1-Channel (Mono) with Stereo Headphones, Max Output Power x Channels @ Load: 2.1W x 1 @ 4 Ohm; 42mW x 2 @ 32 Ohm, Voltage - Supply: 2.7V ~ 5.5V, Board Type: Fully Populated, Utilized IC / Part: LM49150,
Amplifier Type: Class D, Output Type: 2-Channel (Stereo) with Stereo Headphones, Max Output Power x Channels @ Load: 1.4W x 2 @ 8 Ohm; 150mW x 2 @ 16 Ohm, Voltage - Supply: 2.5V ~ 5.5V, Board Type: Fully Populated, Utilized IC / Part: TPA2054D4,
Amplifier Type: Class AB, Output Type: 1-Channel (Mono) with Stereo Headphones, Max Output Power x Channels @ Load: 85mW x 1 @ 8 Ohm; 14mW x 2 @ 16 Ohm, Voltage - Supply: 0.9V ~ 2.5V, Board Type: Fully Populated, Utilized IC / Part: LM4919,
Amplifier Type: Class AB, Output Type: 2-Channel (Stereo) with Stereo Headphones, Max Output Power x Channels @ Load: 1.6W x 2 @ 4 Ohm; 75mW x 2 @ 32 Ohm, Voltage - Supply: 2.7V ~ 5.5V, Board Type: Fully Populated, Utilized IC / Part: LM4857,
Amplifier Type: Class AB, Output Type: 2-Channel (Stereo) with Stereo Headphones, Max Output Power x Channels @ Load: 2.6W x 2 @ 3 Ohm, Voltage - Supply: 4.5V ~ 5.5V, Board Type: Fully Populated, Utilized IC / Part: TPA0212,
Amplifier Type: Class D, Output Type: 1-Channel (Mono) with Stereo Headphones, Max Output Power x Channels @ Load: 3.7W x 1 @ 3 Ohm; 180mW x 2 @ 32 Ohm, Voltage - Supply: 4.5V ~ 5.5V, Board Type: Fully Populated, Utilized IC / Part: MAX9792,
Amplifier Type: Class D, Output Type: 1-Channel (Mono) or 2-Channel (Stereo), Max Output Power x Channels @ Load: 2.2W x 1 or 2 @ 4 Ohm, Board Type: Fully Populated, Utilized IC / Part: STM32F103, TS4657(TS2012, TS4962, TS472),
Amplifier Type: Class AB, Output Type: 1-Channel (Mono) with Mono and Stereo Headphones, Max Output Power x Channels @ Load: 1W x 1 @ 8 Ohm; 43mW x 2 @ 32 Ohm, Voltage - Supply: 2.7V ~ 5.5V, Board Type: Fully Populated, Utilized IC / Part: TS4956,