Advanced True Diversity Circuit
Exceptional Sound Performance
Bring studio-grade sound to the stage! With an impressive 110dB ultra-wide dynamic range, the A-909 unleashes the full power and emotion of your voice and captures every nuance of your voice from whispers to shouts faithfully, ensuring powerful and immersive delivery.
With an exceptional 108dB SNR, background noise is virtually eliminated, leaving only your pure voice—crystal clear and transparent. The A-909 ensures professional-grade sound quality in any setting, empowering every performance.
Comprehensive Frequency Management
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Auto-Scan
One-click intelligent scanning of the surrounding spectrum environment avoids interference-prone bands, helping you quickly lock onto clear and usable channels efficiently.
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Spectrum Analyzer
Advanced spectrum analysis capabilities enable real-time mapping of RF spectrum for surrounding signal distribution.
You can monitor and manage frequency usage like a professional audio engineer, optimizing your system's frequencies and coordinating channel allocation for nearby wireless devices to ensure no interference.
All-Around Mute Protection
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Instant Mute on Drop
Built-in gyroscopic sensor continuously monitors device status. The microphone instantly mutes when dropped, preventing harsh impact noise from reaching the speakers.
Even if accidentally dropped during a live performance, the audience will hear virtually no harsh impact noise - Advanced safety mechanism stands guard as your final failsafe.
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Auto-Sleep for Power Saving
The microphone will automatically mute after about 3 seconds of inactivity and lower the screen brightness to enter power-saving mode, preventing battery drain and unexpected audio interference. Simply pick it up again for normal operation.
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One-Touch Mute Control
Mute your microphone with a single press of the power button - no menus needed. Whether pausing during performances, meetings, or whispering, you can immediately mute the mic . Press it again to swiftly resume normal operation, maintaining complete control.
Classic Settings
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Quick Channel Selection
Quick Channel Selection: Across the UHF 640-690MHz band, each transmitter features 100 optimally selected frequency points, divided into 10 groups (each containing 10 frequency points).
This grouping makes frequency selection easily - simply switch by group to lock onto desired frequency in seconds, avoiding the hassle of slight adjustment.
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2×1000 Frequency Points
For advanced users, each channel of the A-909 offers up to 1000 selectable frequencies, with fine-tuning steps as precise as 0.025 MHz. This ensures accurate interference avoidance and find the perfect and clear frequency even in complex RF environments.
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8-Level Receiver Sensitivity Adjustment
You can take full control of microphone sensitivity with 8 selectable levels and freely switch between levels 1 to 8 to match the venue’s needs. Lower settings help suppress background noise in smaller spaces, while higher settings ensure every word is captured across larger venues.
Wherever you go, consistent audio pickup guarantees the flawless sound for every listener.
4 Sound Modes
Pop – Enhances mid-high frequencies and moderate low frequencies in vocals, making the sound fuller and clearer, creating the unique atmosphere of pop music.
Rock – Intensifies low frequency punch and high-frequency brilliance, emphasizing the power of drums and guitars to make rock performances more dynamic.
Classical – A flat and balanced response reproduces orchestral depth and spatial imaging, preserving the authentic character.
Jazz – Emphasizes mid-frequency details for a warm and relaxed atmosphere, showcasing the delicate and rich tones of jazz instruments.
Transmit Power Flexibility
Features dual power modes (5mW/20mW) to adapt to any environment.
5mW Low Power: Optimized for small space such as classrooms and meeting rooms to avoid power wasting for close-range reliability and battery life extension.
20mW High Power: Ideal for noisy large venues and outdoor events, ensuring long-range signal stability while minimizing interference.
Specialized Settings
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Audio Output
The A-909 seamlessly adapts to your setup—whether connecting to a mixer or amplifier (requiring Mic-level output), or interfacing with cameras and recording devices (needing Line-level input).
If you are unsure how to choose, the Line mode is recommended for it is compatible with most devices.
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Pilot Frequency Anti-Interference
When multiple teams use wireless microphones in the same venue, frequency conflicts can be a headache. The A-909 employs 16-bit digital ID pilot tone technology, giving each system a unique “ID”.
Even if another device is set to the same frequency, your receiver only recognizes its own transmitter, blocking all other signals. You can perform with peace of mind, without worrying about crosstalk from frequency interference.
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Performance Safety Lock
The secret weapon against accidental activation in critical moments. With a single tap, all function keys are temporarily locked except volume adjustment and IR sync pairing.
Even if buttons are bumped during intense performances, your settings remain perfectly unchanged—guaranteeing zero unexpected disruptions during important shows or meetings.
Unique Audio Stability Control System
PLL System(Phase-Locked Loop)
Acting as an autopilot for the wireless microphone frequency.
It continuously monitors the phase difference between the output signal and the reference signal, making real-time adjustments to the transmission frequency to ensure that the microphone output frequency remains closely aligned with the reference frequency without deviation.
In simple terms, PLL technology keeps your frequency "in tune".
Noise Locking Technology
No more worrying about sudden screeching noises during critical moments! This unique audio stabilization control system acts as your personal “audio guardian”.
When random electromagnetic interference or abnormal noise occurs, the microphone intelligently detects and blocks distortions before they reach the output.
Your audience will experience zero interruptions—just crisp and pristine sound, making every speech and performance more professional and seamless.
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