Amplifier – Ktechnics Systems https://ktechnics.com Ktechnics Systems Fri, 10 Apr 2026 11:37:50 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 PAM8403 digital amplifier b… https://ktechnics.com/product/pam8403-digital-amplifier-board23w-class-d/ Wed, 20 Jan 2021 07:20:52 +0000 https://ktechnics.com/product/import-placeholder-for-10770/ Input voltage: 2.5-5V (can’t be more than 5.5V, otherwise it will burn the ICs on board)
It could work with 4 Ohm and 8 ohm Speaker.
Output power: 2 channels x 3W

Note:

The left and right channel output of “negative” cannot be connected together,
Otherwise it will burn the IC

]]> PAM8403 Power Audio Amplifier … https://ktechnics.com/product/pam8403-power-audio-amplifier-board/ Tue, 04 Aug 2020 21:07:34 +0000 https://ktechnics.com/shop/uncategorized/import-placeholder-for-2048/ Description

PAM8403 Mini 5V Digital Amplifier Board with Switch Potentiometer can be USB Powered

PAM8403 5V 2-Channel USB Power Audio Amplifier Board 3W*2 Volume

Operating voltage: 2.5 V to 2.5 V
Maximum output: 3 wx2 (5 v 4 o)
Board size: about 22 mm 30 mm wide/deep/high 16 mm excluding potentiometer handle bulge (dimension) boards are finished plate welding test, the above potentiometer is with switch, can control the volume and power switch, not more than 5.5 V, working voltage power supply positive and negative don’t wrong, otherwise the chip has the potential to damage.

 

 

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