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Diesel Engine Frequency Conversion Sound Group Module Powered By Receiver/2S Lipo Battery Charging Port for DIY RC Models

Two types:

- Powered by receiver , without trumpet

- Powered by 2S lipo battery, with speaker

Description:

- This module is used between the receiver and the ESC, and it can emit the sound of a variable frequency diesel engine according to the throttle size. It makes the model more realistic.

- The middle point (1500+-50) is the lowest frequency, and the frequency will increase when you hit the stick up and down.

Specification:

- Input: 3.6v-8v ( connect receiver )

- Board size: 34x14mm

- Weight for speaker: about 3g/pcs

- Speaker: connect to 8 ohm 0.5W-6W speakers (speakers are not divided into +- grades)

- To get power from the receiver port, make sure that the current of the receiver port is large enough. (If it is not enough, choose a low-power speaker)

Note: the receiver, battery, ESC and others in picture shown will not include