Amplifier Manuals & User Guides

Diymore XY-ST21 PRO 2.1-Channel Bluetooth Audio Amplifier Board User Manual

October 19, 2026

Diymore XY-ST21 PRO 2.1-Channel Bluetooth Audio Amplifier Board Parameter Product Name: BT Audio Amplifier Board Product Model: XY-ST21 PRO Power supply: DC12-30V/5A or above DC seat: 5.5-2.5mm BT version: 5.2 Audio input: BT+AUX+USB flash drive+ sound card BT audio decoding:…

Brand: Diymore

occkic XH-A415 Digital Audio Amplifier Module User Manual

October 19, 2026

occkic XH-A415 Digital Audio Amplifier Module Product selling points Using high-quality materials and ensuring product quality Fully digital [PCM] stereo dual channel Bluetooth 5. power amplifier 3. Four fixed hole installation method, compatible with most ceiling mounted speakers Bluetooth link…

Brand: occkic

occkic 400W Single Channel Power Amplifier Board User Manual

October 19, 2026

occkic 400W Single Channel Power Amplifier Board Features High power output, up to 400W, easy to drive large speakers. Adopting high pressure audio tube, the sound quality is clear and stable. Wide power supply range, supporting ± 20-90V, suitable for…

Brand: occkic

diymore XY-ST21 PRO TPA3221 2.1 Channel Digital Amplifier Board User Manual

October 18, 2026

diymore XY-ST21 PRO TPA3221 2.1 Channel Digital Amplifier Board Parameter Product Name: BT Audio Amplifier Board Product Model: XY-ST21 PRO Power supply: DC12-30V/5A or above DC seat: 5.5-2.5mm BT version: 5.2 Audio input: BT+AUX+USB flash drive+ sound card BT audio…

Brand: Diymore

DK iB-25 Active Bass Amplifier User Manual

October 17, 2026

DK iB-25 Active Bass Amplifier Overview The iB-25 is a 25W active bass live-streaming loudspeaker with a mini-size enclosure (5.25-inch woofer + 2-inch tweeter) and Class-D amplification for deep bass, balanced mids, and bright highs. Quick Setup & Use Connect…

Brand: DK

KGUSS K30II HIFI Headphone Amplifier User Manual

October 16, 2026

KGUSS K30II HIFI Headphone Amplifier Attributes Size: 200 × 178 × 50 mm Color: Silver Weight: 1.5 kg (Packaging included: 2.5 kg) Chips: AK4493SEQ × 2 XMOS XU316 QCC5.4 Bluetooth Display: 1.28-inch LCD Headphone Amplifier Outputs: 6.35 mm headphone output…

Brand: KGUSS 

Gaqqee MT21S Bluetooth 5.0 TPA3116D2 Amplifier Board User Manual

October 16, 2026

Gaqqee MT21S Bluetooth 5.0 TPA3116D2 Amplifier Board Features: Adopting dual TPA3116D2 chips, the sound quality is clear and stable. Supports Bluetooth, AUX, USB, and microphone input, with various connection methods. Dual microphone input design, suitable for multi person interactive singing…

Brand: Gaqqee

diymore DRV134 Dual Channel Unbalanced to Balance Board User Manual

October 16, 2026

diymore DRV134 Dual Channel Unbalanced to Balance Board Overview The Dual Channel DRV134 unbalanced-to-balanced audio converter board uses an audiophile-grade DRV134 chip to provide clean, low-distortion signal conversion. It is designed for dual-channel audio DIY and professional applications, including matching…

Brand: Diymore

Wuzhi Audio ZK-LT23 2.1 Channel Subwoofer Amplifier User Manual

October 16, 2026

Wuzhi Audio ZK-LT23 2.1 Channel Subwoofer Amplifier Descriptions: Full-core design · box-to-box function Adjust the volume of stereo and subwoofer separately Support remote firmware update More HD lossless U disk formats Support Wuzhi Audio APP. Modify the bluetooth name, password…

Brand: Wuzhi Audio

occkic CS8683h Digital Sound Amplifier Module Instruction Manual

October 16, 2026

occkic CS8683h Digital Sound Amplifier Module Features: Using the new CS8683h high-power digital amplifier chip, quality is guaranteed! Compact and exquisite appearance, beautiful layout of components BTL output, high power 130W, single-ended input can also be balanced (differential) input Easy…

Brand: occkic