SMK series is a professional singing microphone developed with concentration. Outdoor audio equipment has the characteristics of beautiful sound color, wide frequency response, stable transmission and reception, and not easy to drop frequency. It is especially suitable for medium and large-scale parties.

Smk-9000 receiver index:
Receiver mode: secondary frequency conversion superheterodyne
If frequency: one if 110Mhz, two if 10.7MHz
Wireless interface: BNC / 50 ohm
Sensitivity of outdoor audio equipment: 12dB μ V（50dBS/N）
Sensitivity adjustment range: 12-32db μ V
Spurious suppression: ≥ 75db
Large output strength: + 10dbv
Squelch depth control: sound code and noise locking, dual mute function
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Smk-8000 transmitter index:
Antenna program: the collar transmitter adopts 1 / 4 wavelength whip antenna, handheld microphone and built-in spiral antenna
Sound head: moving coil type (handheld) capacitive type (collar clip)
Output power: high power 30MW, low power 30MW
Spurious suppression: - 60dB
Power supply: two No. 5 1.5V alkaline batteries
Service time of outdoor audio equipment: less than 10 hours at 30MW and less than 15 hours at 3MW
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Smk-7000 system indicators:
Frequency range: 740-790mhz
Modulation mode: Broadband FM
Adjustable range: 50MHz
Number of channels: 100 (or 200)
Channel interval: 250kHz
Frequency stability: ± 0.005%
Dynamic range: 100dB
Large frequency coding: ± 45khz
Audio response: 80Hz-18KHz (± 3dB)
Comprehensive signal-to-noise ratio: ＞ 105dB
Comprehensive distortion: ≤ 0.5%
Operating temperature: - 10 ℃ ~ + 40 ℃
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