XY-T4001P 400W Bluetooth Amplifier Board TPA3223 Chips High-Power HIFI 3 Input Modes Bluetooth AUX USB Audio TWS Wireless Speaker with APP Smart Control

Specification:
Product Name: XY‑T4001P 400W Bluetooth Amplifier Board
Amplifier chip: TPA3223
Pre‑amp op‑amp: NE5532 × 2
Output power (max): 400 W @ 2 Ω, 42 V DC
Power supply: DC 12–42 V / ≥5 A (5.5 × 2.5 mm socket)
Speaker impedance: 2–8 Ω
Audio inputs:
Bluetooth (TWS, SBC / AAC)
3.5 mm AUX in
USB Audio / USB flash drive
USB audio formats: WAV, FLAC, APE, MP3
Functions of multifunction knob:
Click: Play / Stop
Double‑click: Next track
Triple‑click: Mode switch
4× click: Pair / unpair TWS
5× click: Factory reset
Long press: Power on / off
Controls: Independent Bass, Treble, Master Volume
Supply voltage vs. typical output power:
12 V: 8 Ω @10 W, 4 Ω @20–30 W
24 V: 8 Ω @30 W, 4 Ω @70 W, 2 Ω @150 W
36 V: 8 Ω @80 W, 4 Ω @160 W, 2 Ω @350 W
42 V: 8 Ω @100 W, 4 Ω @200 W, 2 Ω @400 W
Board size (integrated pot version): approx. 104 × 94.9 mm
Shell version size: 104 × 97 × 35 mm
Weight (shell version): about 256g
Bluetooth app: Sinilink APP (rename device, set pairing password, control playback)
Antenna interface: IPEX 2.4 GHz, supports external antenna (optional)

Features:
1. High‑power mono Hi‑Fi amplifier: TPA3223 IC with up to 400 W output for powerful subwoofer or full‑range use.
2. Three input modes: Seamless switch between Bluetooth, 3.5 mm AUX and USB Audio / U‑disk playback.
3. TWS wireless pairing: Pair two XY‑T4001P boards wirelessly to form a left / right stereo system.
4. Independent tone control: Front‑panel bass, treble and master volume knobs for quick on‑device tuning.
5. Optimized audio circuit: Large heat sink, capacitor array, audio‑grade inductors and low‑loss coupling components for clean sound at high power.
6. APP smart control: Use the Sinilink APP to control playback, switch modes and modify Bluetooth name and password from your phone.

Package Includes:
1 x Amplifier Board (type as you selected)