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CHINESE Conference System | ProAV
Guangzhou DSPPA Audio Co., Ltd.
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Email: export@dsppa.com
Tel: 020-28346138
Fax: 020-81305947

AM6409 Intelligent Wireless Microphone System - 翻译中...

AM6409 Intelligent Wireless Microphone System - 翻译中...

Ciri-ciri

● Brand-new audio circuit architecture delivers delicate highs and powerful mid-low frequencies, with exceptional detail and clarity. Outstanding dynamic tracking capability ensures stable and natural sound pickup at both long and short distances.
● Innovative digital pilot tone technology completely eliminates frequency interference between adjacent KTV rooms — no cross-frequency interference ever.
● Built-in feedback suppression circuit for easier system setup and tuning.
● Automatic interference-free channel scanning for convenient installation.
● Maximum output volume can be freely limited for flexible application.
● UHF frequency band with PLL (Phase-Locked Loop) frequency synthesis.
● 100 × 2 channels with 250 kHz channel spacing.
● Superheterodyne dual-conversion design with extremely high receiving sensitivity.
● Multi-stage high-performance dielectric RF filters for excellent anti-interference capability.
● First IF uses SAW (Surface Acoustic Wave) filter; second IF uses triple ceramic filters for enhanced interference rejection.
● Specially designed mute circuit completely eliminates turn-on and turn-off pop noise.
● Powered by widely available AA batteries, with 6–10 hours of continuous operation.
● Unique voltage-boosting design ensures consistent performance even when battery power decreases.
● Ideal operating radius up to 80 meters under optimal conditions.
● Default configuration includes LCD display with blue backlight and aluminum alloy microphone body.
● Adjustable RF transmission power and adjustable squelch threshold. Rear-panel external squelch control knob allows flexible effective operating range adjustment from 10m to 80m.
● Infrared automatic frequency synchronization enables quick channel pairing between microphone and receiver.
● Specially designed for KTV installations. Standard configuration: two microphones and one receiver. Easily supports deployment in over 100 KTV rooms. Unique structural design allows fast and simple maintenance.
● Applications: Suitable for high-end KTV rooms, small to medium-sized performances, classrooms, conference rooms, and similar venues. A key new product of the year, highly favored by customers. Packaging: Standard color box packaging (see product brochure for details).
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翻译中...

Model

AM6409

Frequency Range

640–690 MHz

Adjustable Channels

100 × 2

Oscillator Type

Phase-Locked Loop frequency synthesis (PLL)

Frequency Stability

±10 ppm

Receiving Mode

Superheterodyne Dual Conversion

Pilot Tone Method

Digital Pilot

Receiver Sensitivity

-95 ~ -67 dBm

Audio Frequency Response

40–18,000 Hz

Total Harmonic Distortion (THD)

≤0.5%

Signal-to-Noise Ratio (SNR)

≥110 dB

Audio Output

Balanced output and mixed output

Transmission Power

3–30 mW

Modulation Type

Frequency Modulation (FM)

Battery Type

2 × AA batteries

Power Supply

100–240 V, 50–60 Hz → 12 V DC (switching power adapter)

220 V AC, 50–60 Hz → 12 V DC (linear power supply)

Power Consumption

≤10 W


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  • Tel:86 020 37166520
  • E-mel:Export@dsppa.com
  • Alamat:No.1 Xiahe Rd, bandar Jianggao, daerah Baiyun, Guangzhou, Guangdong, China
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