[KOOLSOO2]A907 Microphone Sound Amplifier 2 Channel Wired PC Audio Slot for Karaoke

Description:
For a customer who often uses computer microphone, it is not enough to have a good microphone. Instead a set of professional microphone amplifier could maximize the utility of microphone and let the listener get an enhanced experience of perfect music.
The amplifier is totally made of metal material, hard and durable, Volume Gain knob is well-designed and user-friendly.
Added with Switch, Time and Depth are designed in high-end control system to meet all high-impedance microphone drive demands. The servo voltage stabilizing circuit and two-channel signal input are well-designed. The two-channel PreAmp Output can be used as the pre-amplifier of high-end microphone.
The aluminum housing is surface-polished. The interface panel reserves double-microphone interface in 6.5mm/3.5mm. This product is enabled with Volume Gain knob of independent microphone.
The two-channel microphone amplifier uses professional imported embedded control chip, well-tailored for Karaoke/recording/hosting/reading. The special frame structure and gold-immersed double-sided circuit board can effectively screen noise and hum to ensure clear and soft sound. It is made of aluminum alloy and treated with surface oxidation.
The two-channel mixer microphone amplifier permits plug in and plug out without any need of connector. With imported professional control chip/high-quality effect/double-microphone input/double Karaoke/perfect noise reduction function/driver-free design/perfect sound effect/high-end aluminum alloy mini overall design.
Specification:
Color: Black
Max. signal input voltage: 450mV
SNR: 120dB(A)
Output power: 140mW
Distortion: ≤0.02%
Channel separation: ≥120dB
Frequency response: 20Hz-20kHz(±0.05dB)
Output noise: ＜0.1mw
Output load impedance: 16-320 ohm
Output impedance: 100kohm
Dimension: 9.8cm(L)X6.8cm(W)X2.8cm(H)
Packaging dimensions: 20cm(L)X18cm(W)X5.5cm (H)
Net weight: 131g
Package Includes:
1 Piece A907 Two-channel Microphone Amplifier
1 Piece USB Power Cord (80CM)
1 Piece 3.5-3.5 Audio Cable (1