AIYIMA 2Pcs 40MM Mini Audio Portable Speakers 16 Core 4 Ohm 5W Full Range Speaker Rubber Side NdFeB Magnetic Speaker

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Communication : AUX

Battery : No

Speaker Type : Combination

Power Source : None

Number of Loudspeaker Enclosure : 2

Certification : CE,RoHS

Cabinet Material : Metal

Audio Crossover : Full-Range

Channels : 2 (2.0)

Input Power(W) : <25 W

Intelligent Personal Assistant : NONE

Output Power : Other

Remote Control : No

Support Memory Card : No

Playback Function : None

Display Screen : No

Voice Control : No

Material : Metal

Support Apt-x : No

Wi-Fi Music : None

Display Screen : No

Waterproof : No

Built-in Microphone : No

PMPO : 5W

Support APP : No

Feature : None

Model Number : None

Frequency Range : Other

Intelligent Personal Assistant : None

A: 40mm 4 Ohm 5W Mini Speaker

Category: Electric (moving)

Uses: Bluetooth speakers

Shape: round

Composition: combination of cone

Diaphragm material: non-paper

Magnetic circuit form: double magnetic type

Frequency characteristics: full band (full range)

Rated power: 5 (W)

Rated impedance: 4 (Ω)

Frequency response: 150hz-20 (kHz)Sensitivity: 80 (dB / W)

B: 5Wx2 Bluetooth 5.0 Decoder Amp Board

1. DC3.7 Power supply (dual MOS battery) recommended 1-3A

2. Support FM radio function, automatically search for radio stations and store

3. Support AUX input function

4. Support full function operation of infrared remote control

5. Support LED digital screen real-time display of full function status

6. Support USB / TF / radio / AUX automatic switching

7.mp3 / WAV / WMA song decoding chip

8. Support FAT16, FAT32 file system

9. Support 32-320kbps mp3 songs

10. Support power-off memory function: memory song and volume before power-off

11. The product board with power amplifier 2 * 5W ,it can directly drive a pair of 4 ohm 3w or 2 ohm 5w speakers

Panel key function description:

1. "PREV / VOL-" set long press to decrease the volume; short press in USB / SD / radio mode for the previous song / previous radio station

2. Short press “PLA / PAU” in USB / SD mode to play / pause; short press in radio mode to automatically search for and store

3. "NEXT / VOL +" set long press volume plus; short press in USB / SD / radio mode for next song / next station

4. "MODE" is the mode switching, the switching sequence is: USB → SD → radio → AUX: when there is U disk and SD card: the switching sequence is USB → SD → radio → AUX; when only U disk: the switching sequence is SD → Radio → AUX; when only SD: switch order is USB → Radio → AUX; when there is no U disk and SD card: switch order is radio

C: PAM8403 Bluetooth 5.0 power amplifier board

Input voltage: DC5V

Output power: 5Wx2

Audio input: Bluetooth 5.0

Amplifier Chip:PAM8403

Number of channels: two channels

Gain:4

Size: 45*42*25MM

Installation aperture: 3MM