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Product Description

ZK-1001U Mono Amplifier Board with TWS, 100W Power Output, Vehicle Amplifier Supports USB/AUX/Bluetooth,Wide Voltage Input DC9-24V

Product Features

• 【100W Powerful Mono Amplifier】 Features TPA3116D2 chip, delivers 100W output to passive speakers (20-100W, 3-8Ω). DC 7-24V/4A input (ideal for 7.4V/12V/21V batteries, not for 24V). Ultra-low distortion (<0.3%) for crystal-clear sound.
• 【Built-in Boost Circuit for Outdoor Use】 Auto-boosting technology intelligently converts 9V/15V input to stable 19V/24V (default 24V, switch adjustable). Perfect for battery-powered outdoor speakers to enhance power efficiency.
• 【TWS Pairing for Stereo Sound】 Supports TWS (True Wireless Stereo) function—pair two mono amps to create a powerful left/right channel stereo system instantly.
• 【Bluetooth 5.3 & Multi-Input Options】 Upgraded Bluetooth 5.3 with AAC decoding, 15m/49ft range. 4 input modes: Bluetooth/AUX/USB drive/USB sound card, compatible with smartphones/PCs/tablets.
• 【HiFi Sound & Smart Knob Control】 Professional Class-D amp chip with adjustable bass/treble. Multi-function knob: rotate for volume, click to play/pause, double-click to skip, triple-click for TWS mode, long press to power on/off.

Shipping Details

We ship only to the address associated with your eBay account. Please double-check your shipping information.

Items are shipped within 1-2 business days and typically arrive within 3-7 business days.

Shipping is available only within the contiguous United States. No shipping to Alaska, Hawaii, Puerto Rico, or PO Boxes.

Returns & Refunds

We accept returns within 30 days of receipt. Items must be returned in original condition and packaging.

If your item arrives damaged or incorrect, contact us immediately through eBay messaging.

Accepted Payment Methods

Secure payments accepted through PayPal and all major credit cards via eBay.

Customer Support

For assistance or inquiries, please contact us through eBay messages. We aim to respond within 24-48 hours.