ZK-1001U MT21 1002T 1002A Bluetooth Amplifier Board Audio Digital Amplifier 100W
Model Number: 1001U
Product Name: Mono 100W Bluetooth Amplifier Module with Boost Circuit and Treble/Bass Adjustment
Amplifier Chip: TPA3116D2
Bluetooth Version: 5.3
Bluetooth Transmission Range: 15 meters
Audio Inputs: Bluetooth + AUX + USB Flash Drive + USB Sound Card
Audio Output: Mono 100W
Compatible Power Supply: DC 9-24V, ≥4A (AC power prohibited). Suitable for 7.4V, 12V, 21V batteries, but not 24V batteries (overvoltage risk when fully charged).
Compatible Speakers: 20-100W, 3-8Ω
Volume Control: Master volume with buttons
Single Click: Play/Pause
Double Click: Next Track
Triple Click: Enter/Exit TWS Mode
Long Press: Power On/Off
Protection Mechanisms: Reverse Polarity Protection, Over-Temperature Protection, Over-Current Protection, Short-Circuit Protection, ESD Protection
Special Features: Supports Wuzhi Audio APP. Modify Bluetooth name, password settings, alert volume adjustment, enable/disable alerts, sleep melodies, firmware upgrades, etc. Pairing function enables true wireless pairing of two speakers into left/right stereo channels for enhanced spatial positioning.
Product Dimensions: 99x75x22.8mm
Two independent speakers instantly become a left/right stereo pair via TWS connection, achieving true wireless pairing.
Amplifier Board (Heat sink and knob cap require separate installation)
Power Supply: DC 9-24V/≥4A (AC power not supported)
Bluetooth Version: 5.1
Audio Input: BT + AUX + USB Drive + USB Sound Card
Audio Output: Left Channel 100W + Right Channel 100W
Volume Control: Classic Mechanical Knob (with volume scale), Stepless Adjustment
Power On/Off: Classic Mechanical Switch, One-Turn Operation, No Long Press Required
Compatible Speakers: 20-100W, 4-8Ω
Protection Mechanisms: Overheat, overcurrent, short circuit, ESD protection
Product Weight: Net 50g, 85g with packaging
Special Features: Supports Wuzhi Audio APP. Modify Bluetooth name, password settings, alert volume adjustment, on/off alerts, sleep melodies, sound effect selection + custom sound effects, USB playlist.
Dimensions: 78*50*20mm
Note: Recommended for 8Ω speakers with 9-24VDC power supply. Do not exceed rated voltage.
When driving 4Ω speakers, power supply must not exceed 12V.
1*ZK-1002A Bluetooth Audio Digital Amplifier Board Module
Product Name: 2.1-Channel Bluetooth Audio Amplifier Module
Product Model: MT21
Bluetooth Version: 5.0 (line-of-sight range: 15 meters)
Input Sensitivity: 500mV
Input Methods: AUX + Bluetooth
Number of Channels: 2.1-channel
Amplifier Chip: Domestic amplifier chip
Compatible Power Supply: DC 12~24 V / 5A or higher (Do not connect to 24V battery packs)
Compatible Speakers: 20~100 W, 4-8Ω
Output Power: Left/Right Channels <50W
Subwoofer <100W
Protection Mechanisms: Reverse Polarity, Overheating, Overcurrent, Short Circuit Protection
Product Dimensions: 93mm*90mm*22mm
Product Weight: Approx. 185g (including packaging)
Higher power supply voltage yields greater output power; lower speaker impedance yields greater output power!!! Ensure the power supply capacity exceeds the amplifier's actual operating power!!!
Amplifier Board*1
Product Name: 100W*2 Bluetooth Audio Amplifier Module with Tone Control
Model Number: ZK-1002T
Bluetooth Version: 5.0 (10m range without obstruction)
Signal-to-Noise Ratio: > 90 dB
Input Methods: AUX + Bluetooth
Number of Channels: Left/Right Stereo
Amplifier Chip: TPA3116D2 (with AM interference suppression)
Power Supply: DC 12~24V/5A or higher (higher voltage increases output power)
Compatible Speakers: 20~200W / 4~8Ω
Audio Amplifier Board*1
Domestic
We believe you need to get your purchases as quick as possible. As a general rule your item will be shipped within 24 hours of you purchasing it. We pack and post from Tuesday to Sunday (Mondays we are closed) but definitely get all our mail off to the post office first thing Monday morning for you. Mail gets picked up at 12pm so chances are if you buy before lunchtime your item will leave the same day.
International
Same as above but understand that depending on what part of the world you are from it does take a little longer to send, delivery can be from 7-15 working days. Also other factors to take into consideration are quarantine and customs regulations in your country. It is also a consideration that customs duties and GST/VAT may be payable at the buyers expense.
Combined Postage (for items with shipping charges):
We are more than happy to combine postage, just use the Buy it Now function in eBay (but DO NOT PAY after purchasing each item) to buy all the products you need, when you have finished request a combined invoice, we will base the shipping cost on the size, weight and your location.
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