Brand Name:icchipcn.com
Condition:New
Type:Voltage Regulator
Operating voltage: 5V-12V (voltage below 5V sound will be significantly reduced, the limit voltage can not exceed 15V); Operating current: 1mA (static) ~ 150mA (max); Output speaker impedance: 4 Ω-32 Ω(impedance high-sound, high efficiency); Support the speaker power: 0.5W-25W (In fact, any power speaker can be used, the volume and the speaker power is not much relationship, as long as greater than the power amplifier output rating on the line); Output power: 750mW (max); Input support: electret, microphone, condenser microphone, moving coil microphone, audio signal. Volume: 22.7 (L) * 13.5 (W) * 7.4 (H) mm; Used for microphone preamplifier effect good , noise and AC ripple is very low, the output signal voltage greater than 1V or more, to promote the power amplifier signal strength. Instructions: Amplifier board IN and GND use shielded cable access electret microphone, access to the attention of the polarity, the electret after the reverse will be very little or no sound; Amplifier OUT board connected speakers, speakers away from the microphone, in order to avoid self-excited noise; Power amplifier board positive and negative access 5 ~ 12V DC power supply, please do not reverse, otherwise it will burn out the module; Amplifier board comes with a volume trimmer potentiometer, if you feel the sound is too large or too small can try to adjust. Included:1x Board"
Q1: What Is Your Product Warranty?
A: We Guarantee Our Product Is Fit For Its Normal User Purposes And Is Free From Defects In Materials Or Workmanship.
Q2: What Is Your Company Policy On Defective Goods?
A: Our Company Keep Items Quality For A Long Time. If There Are Any Defective Goods Due To
Production Defects Or Transportation Problem, Please Contact Us. Our Customer Service Team Will Provide Immediate Response To
Complaints. We Will Try Our Best To Give You A Good Resolve Way.
Q3: What Is Your MOQ (minimum Order Quantity)?
A: Generally Our Moq Is No Limited. Please Have More Discussion With Us If Your Combination Of Models Is Complicated.
Q4:how About Getting Samples From You?
A: We Will Send You The Samples After We Receive The Payment For Samples. The Buyer Shall Afford The Shipping Cost. Please Have A
Confirm With Us Which Shipping Way Do You Want.
Q5:about The Shipment: What Type Of Shipment Will You Use?
A: We Usually Ship The Products By Express(delivery It To Your Door) Or By Air Freight To Your Nearest Airport, Shipping Days:3-7
Working Days Depend On Destination;if The Order Quantity Is Large, We May Ship By Sea Container And The Best Ship Way Is By Sea,
Shipping Days: Over 20 Working Days Depend On Destination Port.
Q6:what Packing Do You Use?
A: Neutral Package With Airbag Or Customized Package.
Q7:how Much Are The Shipping Cost?
A:shipping Cost Is Charged By The Package's Weight And Related To The Shipping Methods You Choose And Your Destination.
Q8:how To Order?
Step1.Click (Add to Cart) Buy Directly On The Product Page, Or Add To Shopping Cart And Settle Together, Pay With Paypal,
Need your information, such as full name,country, city, detail address, post code, tax number ...
Step2. We Will Delivery by EMS POST, FedEx or DHL Within
3-5 Working Days After Payment Confirmed.
Setp3. Confirm Us Receipt of Products.
