Brand: MELIFE

<p>Wireless Stereo. Anywhere. Anytime.</p> <p>Most budget amp boards force you to choose between power and flexibility. The ZK-1001U gives you both.</p> <p>Designed for the DIY Spirit<br>Whether you're building a portable boombox, converting garage speakers to Bluetooth, or setting up a backyard sound system, this board is your foundation. Its compact footprint and low heat output make it easy to integrate into wood, plastic, or 3D-printed enclosures.</p> <p>Stereo Without the Wires<br>Here's the magic: grab two boards. Enable TWS mode with a triple click. Instantly, you have a&nbsp;wireless left-right stereo pair. No master-slave confusion, no sync delays-just two independent amps working as one. It's the most affordable way to go wireless stereo.</p> <p>Outdoor-Ready, Battery-Friendly<br>We added a&nbsp;smart boost circuit&nbsp;because we know batteries don't stay at 100%. When your 12V battery drops to 10V, most amps lose power. The ZK-1001U compensates-boosting input to a steady 19V or 24V-so your music stays loud and clean until the very end.</p> <p>From Picnic Tables to Patios<br>With&nbsp;49ft of Bluetooth range, you're not chained to your phone. Set the speaker on the cooler, leave the device inside, and enjoy uninterrupted sound across the yard. No dropouts. No re-pairing.</p> <p>Your Sound. Your Rules.<br>Crank the bass for movie night. Dial up the treble for acoustic sets. The analog tone controls put the EQ in your hands-not hidden inside a buggy app.</p>

• TURN MONO INTO FULL STEREO: With TWS function, pair two ZK-1001U boards wirelessly to create a true left-right stereo system. No complicated wiring, no extra receivers-just pure, wide soundstage from two compact amps. Perfect for DIY stereo builds or upgrading old mono speakers.
• HIFI AMP WITH INDEPENDENT BASS & TREBLE TUNING: Driven by the TPA3116D2 chip, this portable mono amplifier board delivers rich, detailed sound with ultra-low distortion (<0.3%). Unlike basic amps, it features dedicated treble and bass knobs, so you can tailor the sound to your taste-boost the lows for movies, sharpen the highs for vocals. Note: only contact a passive speaker(20-100W, 3-8?), DC7-24V/4A above (Cannot be connected to AC, suitable for 7.4V/12V/21V etc. batteries, not suitable for 24V batteries)).
• BUILT-IN BOOST CIRCUIT: Say goodbye to weak, distorted sound outdoors. The ZK-1001U features an intelligent auto-boost circuit that steps up 9V/15V input to a stable 19V or 24V (default: 24V. Red switch to 1 is 24V, to ON is 19V) for full 100W output. No more volume drop when the battery drains.Perfect for battery-powered outdoor use, like camping, beach days, and backyard BBQs.
• BLUETOOTH 5.3 WITH 15M/49FT RANGE: Equipped with the latest Bluetooth 5.3 chip, this amp delivers stable wireless transmission up to 15 meters (49ft). Walk around your backyard, patio, or workshop-your music stays with you. Upgraded Bluetooth 5.3 chip with AAC decoding delivers low-latency, high-fidelity audio. Also supports AUX, USB drive, and USB sound card input for total flexibility.
• ALL-IN-ONE CONTROL KNOB: Precision 3-Knob EQ Control + Smart Multifunction Button Three dedicated knobs for master volume, bass, and treble fine-tuning. The volume knob doubles as a smart button: Single press: Play/Pause Double press: Next track, Triple press: Toggle TWS on/off, Long press: Power on/off.

Model: ZK-1001U
Color: 1PC