The device represents a board the sizes 35x30x10mm. The small sizes allow to set a board directly in the casing of a hand mike. A basis is PT2399 chip. It is ATsP/TsAP with sampling rate 44K. Delay period minimum - 30ms, maximum - 350ms. Also on an input of the device there is a microphone amplifier on low-noise NE5532. Works with electret and dynamic microphones without alterations of the diagram.
Microphone low noise amplifier with function echo
Delay period minimum - 30ms
Delay period maximum - 350ms
Microphone level pot
Supply voltage 8 - 15V
Size 30 mm x 30 mm x 10 mm
Weight - 9g
Shipping: We ship Worldwide from the Ukraine by Airmail with tracking number (that can be easily tracked through the Internet).
Lead time: We sent this device with 3-5 bussiness days.
How to pay: We take PayPal and you can pay pushing "Buy Now" button.
Click the button below and buy the Echo board
Price - 10$ + Shipping - 15$