Receiver Parameters:
(1) Adopts PLL digital phase-locked loop multi-channel frequency synthesis technology, standard IEEE Drat2.0 802.11n wireless indicators, ensuring transmission security and speed, strict digital protection, ensuring meeting privacy, avoiding eavesdropping and malicious interference; adopts high-performance audio processing chip, ultra-high frequency dynamic compression shunt technology, automatically shunts high and low frequencies, showing better dynamic performance; provides up to 200 channel selections at 250KHz intervals within a 50MHz frequency bandwidth, with lockable control function selection and adjustable wireless gain connection function; frequency stability: ±0.005% or less, dynamic range: 100dB, maximum frequency deviation: ±45KHz, audio response: 80Hz-18KHz, comprehensive signal-to-noise ratio: >105dB, comprehensive distortion: ≤0.5%, wireless interface: BNe/50Ω, sensitivity: 12DBμV (80dBS/N), sensitivity adjustment range: 12-32DB, stray suppression: ≥75dB, maximum output level: ±10DBV, convenient for multiple sets of machines to be used simultaneously, easily avoiding various interferences; ultra-long distance ≥100 meters stable signal, adopts one-button automatic radar search for the best frequency automatic frequency matching, thoroughly simplifies complex engineering installation, a new concept of digital pilot tone technology, completely solves the mutual frequency interference phenomenon of KTV private rooms, never frequency interference; digital dual-digit display screen, display is simple and neat; sound curve is carefully tuned, the sound is warm and transparent, equipped with a howling suppression function circuit, a new audio circuit structure, audio signal processing adopts international top high-performance audio processing chip, ultra-low distortion sound processing circuit design, has excellent expressiveness in the details of the sound, strong dynamic tracking ability makes the sound pickup and playback smooth at both far and near distances;
(2) Four external independent antenna output ports, built-in frequency bidirectional encryption signal technology lock, added frequency stabilization technology, completely solves the signal dead angle frequency interruption problem within the effective range, reduces breakpoints and delays signal breakpoints, making reception more stable and distance farther. Multiple sets can be used simultaneously without frequency interference.
(3) Eight-channel receiver, with one 6.3mm unbalanced audio output port and two XLR balanced audio separate output ports, for better detailed and independent control of each channel's volume adjustment.
(4) Adopts 128-bit AES encryption technology, supports WPA/WPA2 wireless security technology; supports manual/automatic frequency allocation function.
(5) Supports adjustable volume for all input and output audio; features high-strength anti-mobile phone electromagnetic wave interference design, multi-level error correction and encryption, eliminating interference from mobile phone electromagnetic waves and adjacent channel interference suppression, ultra-strong anti-howling suppression. Added encryption lock function to prevent misoperation by non-professionals;
 
Transmitter Parameters:
(1) Adopts PLL digital phase-locked loop multi-channel frequency synthesis technology, the host and transmitter unit use digital transmission technology, ensuring the privacy of signal transmission and avoiding eavesdropping and malicious interference. The unit microphone can adjust different sound effects according to the characteristics of the speaker's voice until the perfect effect is achieved; adopts 128-bit AES encryption technology, supports WPA/WPA2 wireless security technology, has a high-strength anti-mobile phone electromagnetic wave interference design, multi-level error correction and encryption, eliminates interference from mobile phone electromagnetic waves and adjacent channel interference suppression, providing higher confidentiality for the conference system;
(2) Handheld microphone unit is made of all-metal; dynamic microphone core, equipped with a howling suppression function circuit, a new audio circuit structure, audio signal processing adopts international top high-performance audio processing chip, ultra-low distortion sound processing circuit design, has excellent expressiveness in the details of the sound, strong dynamic tracking ability makes the sound pickup and playback smooth at both far and near distances; ultra-strong anti-howling suppression; easy installation and debugging for KTV projects.
(3) Beltpack microphone type: cardioid, can pick up sound within a 30CM range, cardioid electret;
Frequency response: 80Hz～16KHz;
Microphone input impedance: 1KΩ;
Sensitivity: -46 dBV/Pa;
Maximum SPL: 100dB(THD>3%);
Signal-to-noise ratio: >80dB(A);
Crosstalk: >70dB;
Dynamic range: >80dB;
THD: <0.1%;
Maximum power consumption: 4 W;
Handheld microphone type: dynamic;
Directivity: unidirectional;
Output impedance: 600ω±30%;
Sensitivity: -53dB±3dB(0dB=1V/Pa at 1kHz);
Frequency response: 80Hz-10kHz.
(3) Antenna type: The beltpack transmitter uses a 1/4 wavelength whip antenna, and the handheld microphone has a built-in helical antenna. Output power: high power 30MW, low power 3MW, stray suppression: -60dB.
(4) Power supply: two AA batteries, usage time: more than 10 hours at 30mW, more than 15 hours at 3mW.