TPA3116D2 50Wx2 Bluetooth Amplifier US$7.49 (~A$9.89), DIY Levitation Electronic Kit US$10 (~A$13.21) + US$5 Del @ ICStation

Store RepICStation on 12/07/2022 - 17:30 icstation.com (126 clicks)
Last edited 12/07/2022 - 18:29 by 2 other users

TPA3116D2 50W+50W Dual Channel Amplifier

Support 4 audio inputs: Bluetooth, AUX, U disk, USB sound card. You can choose a mode which is convenient for you.
Support over temperature, over current, short circuit, anti-static protection.
Bluetooth name and password can be changed.

DIY Levitation Electronic Kit

The device consists of a single chip microcomputer, a driver chip, two ultrasonic probes and some SMD components.
Mini ultrasonic levitation device for students or DIY electronics enthusiasts to learn about ultrasonic standing wave suspension.

Free Shipping for order from US$20 (~A$30)

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ICStation, China

superroach on 12/07/2022 - 17:40

This Bluetooth amp any good?
- xrailgun on 12/07/2022 - 18:05
  
  +1
  
  Fun for a couple hours DIY, but the sound quality is terrible.
  
  This is coming from a guy who finds that there's no practical difference between $50 and $5000 amps, and wanted to see how far this scaling goes… apparently ~$20 is the limit. Also goes to show that implementation can be more important than the chip itself… the TPA3116D2 can be found in some decent budget amps.
skwashd on 12/07/2022 - 17:52

+1

The levitation kit is cheaper delivered from AE. With ICStation's version you need to supply your own power supply.