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Specification
Brand : Hztyyier
BulletPoint1 : [FEATURES] Adjustable Gain: Gain of 0‑20db can be adjusted for optimal sound amplification.
BulletPoint2 : [FEATURES] Versatile Compatibility: Suitable for electret microphone amp, condenser microphone, and headphone sound preamplification.
BulletPoint3 : [FEATURES] Multiple Output Ports: Three output ports available for independent or mixed output, including headphone drive capability.
BulletPoint4 : [FEATURES] Long Battery Life: Built-in 150mah lithium battery provides over 10 hours of continuous usage.
BulletPoint5 : [FEATURES] Easy to Use: Simply install and connect your microphone or music device for instant amplification.
Color : Black
ItemName : Sound Preamplifier with Adjustable Gain for Electret Microphone Amp, Compact Size for Portable Use, Battery Powered
ItemPackageDimensions_Height : 3 centimeters
ItemPackageDimensions_Length : 10 centimeters
ItemPackageDimensions_Width : 9 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : microphone-preamps
Manufacturer : Hztyyier
ModelName : Hztyyieraxtofin3ch
ModelNumber : Hztyyieraxtofin3ch
NumberOfItems : 1
PartNumber : 772629260386
ProductDescription : 1. SUITABLE MICROPHONE: Electret microphone amp input 3.5mm interface built in bias, can be connected to electret microphone head microphone or 3.5 interface capacitor microphone
2. POWER SUPPLY AND OPERATIONAL AMP: Adjustable gain electret microphone amp power supply is DC5‑12V, using the rail to rail operational amp MC33202
3. ABOUT INTERFACE: Sound preamplifier output adopt 3.5mm interface, can be connected to other sound device microphone interface or auxiliary, LINE and other line input interface, can not be connected to headphones listening
4. OUTPUT PORTS: After the microphone and music are amplified, they can be output independently or mixed output. There are three output ports in total, and the mixed output port can directly drive headphones to listen
5. GAIN AND POWER SUPPLY: Condenser microphone amp amplification gain 0‑20db adjustable, built in 150mah capacity lithium battery, charging with mobile phone charger, once charging can be used continuously for more than 10 hours

Specification:
Item Type: Electret Microphone Amp
Material: Aluminum alloy
Power Supply: 3.7V lithium battery 150mah
Input Interface: 3.5mm
Power Voltage: DC5-12V

How to Use:
Directly install and use

packing list:
1 x Electret Microphone Amp
1 x Charging Cable
ProductSiteLaunchDate : 2025-04-02T13:55:26.800Z
Size : 10.3cm
SupplierDeclaredDgHzRegulation : not_applicable
SupplierDeclaredHasProductIdentifierExemption : 1
UnspscCode : 52161500