1Pair 5W Power Amp Module Amplifier Board Stereo Sound Speaker for 5.0 3.7-5V For Module Board

1 Pair Power Amp Module Amplifier Board Stereo Sound Speaker for 5.0 3.7‑5V

Feature:

1. You can DIY a for speaker, just need a battery(this product doesn't include battery), two speakers, and a case then you will get a nice for speaker.2. Output 5W + 5W dual‑ stereo , support USB sound card, no driver, just plug and play.3. Mini for receiver board updates to for 5.0 version, which is compatible with most mobile phones and for adapters.4. The mini for receiver board is updated to for 5.0 version, compatible with most mobile phones and for adapters.5. The maximum nsmiion distance is about 15 meters, and the power consumption in standby mode is ‑low.

Specification:

Item Type: Power Amp Module

Voltage: 3.7V-5VCurrent: 1.5A-2APower: 5W + 5WFor : 5.0Speaker: 4Ω/3W (not included)

Screw Hole Diameter: Approx. 1.6mm / 0.1in

Size: Approx.

40mm / 1.6in22mm / 0.9in

27mm / 1.1in34mm / 1.3in

Package List:

2 x Power Amplifier Board

6 x Connection Line

Note:

1)B+isconnectedtothepositivepoleofthepowersupplyfromDC3.7Vto5V+,andN‑isconnectedtothenegativepole;2)Workingvoltaithiumbattery3.7V,orregulatedpowersupplyDC4.5‑5VDC,current(600‑700MAwhenconnectedtoonespeaker;1.5‑2Awhenconnectedtotwospeakers.Lithiumbatterypoweredspeakerwith4Ω3W+3W,regulatedpowersupply5V/2A,speakerwith4s5W+5W.Ifthecurrentisnotenough,therewillbeskippingorforinstability,themotherboardwillalwaysrestartorthesoundquality/brokensound/distortion,etc.(Ifthereisthisproblem,pleasecheckyourpowersupply),Thevoltagecannotbehigherthan5V,otherwiseitwilldamagethemainchip,poweramplifierICandrelatedcomponents,pleasepayattention3)White2PSP‑/SP+frombottomtotopL‑O‑/L‑O+connectedtospeaker1;white2PSP‑/SP+frombottomtotopR‑O‑/R‑O+speaker2