ZK-1002T PRO 2.0 Channel Bluetooth 5.0 Amplifier Board 200W HiFi Subwoofer Audio AMP with Treble and Bass, BT USB and AUX Inputs, DC 12-24V 2.0 Channel Stereo AMP Module for DIY Speakers

I made a simple sound system in the garage. I don't care for blasting volume, but I do care for sound clarity. I have an 8in android tablet connected through aux cable to this amp, and to 2 stereo 4in shelf speakers. Impeccable functionality and sound clarity. I found in a drawer an 18v 2A adapter with a 5.5x2.1mm jack (the most common) and it works great. It's very small but rugged. I mounted it discreetly under the work bench so that I have access. Important: it's not specified anywhere, but I noticed accidentally that the volume button has a press function. Long press (3s or so) turns it off for me and I need long press to turn it back on. I haven't tried bluetooth because I prefer the aux connection with less interference.

This is a really surprising little unit! Packs a good punch. It sounds great, two 6.5 components with tweeters and a massive audio hippo 8, it is power hungry. I cant believe it pushes my sub, it doesn't pound but wow it sounds good! For sure use a good power supply for wall plug in or 20v drill battery.

I used a 12v lipo battery for the power supply, and it worked great. Nice and compact for its power and what it does. It gets loud!! Very easily the best value out there for DIY speaker amps. No remote control. Bluetooth connection seems good.

I've been using it for 5 days so far, and it works great. • The residual assembly was very easy (anyone with adequate fine motor skills should be able to do it). • I'm using my old laptop charger (19V, 130W), and it delivers more than enough power for my 4 Ohm speakers. • The sound is crystal clear, and I didn't notice any distortion coming from the amplifier itself. • Bluetooth (the main reason why I bought it). works without any issues. NOTE: the unit does not have an ON/OFF switch, so it always stays on. I will be installing a simple inline switch later to be able to turn it off when I don't need it. Overall, it's an awesome find for the price 👍

Needed to be put together overall works great.

Easy to wire, great tuning and sound quality, more than enough power for most cases

This unit worked great. Connects very easily via bluetooth. Puts out plenty of power for two 6” speakers and a tweeter. Running 2 old 6” speakers from my car and 1 tweeter with this unit on a 5ah Milwaukee m18 battery with 12v adapter. Battery easily lasts 4 hrs on half volume (which is loud). Best part is if it does die I have multiple batteries on hand. Does obviously need a 2 way crossover for the tweeter. Cons of this unit would be that it’s not already put together. Which is odd to me because you can attach the speaker wires in with the outer casing installed. Screws are very tiny that come with it. Also I do get a small amount of interference with the bluetooth but not enough to annoy me. Could be the power source.

Excellent Little Amp for DIY Bluetooth Projects I used the ZK-1002T Bluetooth amp in a custom portable speaker box powered by an 18V battery, and it absolutely delivered. For such a compact unit, it puts out plenty of clean power—more than enough to drive my 6.5” marine speakers with solid volume and clarity. Bluetooth pairing is quick and reliable, and the sound quality is surprisingly good, especially for the price. I also like that it supports both Bluetooth and aux input. The compact size made it easy to mount inside the case without overheating or needing extra ventilation. Just be aware that there are no instructions included, so if you’re new to wiring or amps, you may need to reference some diagrams online. But for DIYers who know their way around a project, this amp is a solid choice. Highly recommend for anyone building a battery-powered sound system or portable speaker setup.

Very good product exceeded all expectations

me sorprendió su potencia y nitidez, el control de bajos es muy bueno, no distorsiona, superó expectativas

Very nice product 👍👍

Works great some distortion when maxed out but that could be speakers or the fact I'm running it at 18v

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