This series of products is a karaoke effect device with speaker processor function, and each part of the function is independently adjustable.

Adopting a 24 bit data bus and a 32 bit DSP.

The MUSIC input channel is equipped with 10 segments of parametric equalization.

The MIC input channel is equipped with 15 parameter equalizers.

The main output is equipped with 5 parameter equalizers.

The mid output, rear output, and subwoofer are all equipped with 3-segment parametric equalization.

The microphone has 3 levels of feedback suppression and can be selected as OFF/ON.

It can store 16 modes.

The microphone output, main output, center output, subwoofer output, and rear output are all equipped with voltage limiting and delay functions.

Built in manager mode and user mode, user mode cannot be stored after adjusting parameters.

This machine is equipped with a full-featured menu, which can also be set through the PC interface

Technical parameters Frequency response range (-1dB): (MUSIC MIC) 20Hz~50KHz

Input sensitivity: （MIC）11MV （MUSIC）210MV

Main channel tone (± 10dB) 3-segment parametric equalization

Ultra low frequency tone (± 10dB) 3-segment parametric equalization

Mid tone (± 10dB) 3-segment parametric equalization

Music tone (± 10dB) 10 segment parametric equalization

Microphone pitch (± 10dB) 10 segment parametric equalization

Microphone low cut 0Hz-300Hz

Signal to noise ratio (weighted by A): ≥ 95dB

Split microphone can adjust EQ separately

From now on, solve the compatibility debugging problem of wireless and wired microphones

Convenient and intuitive Chinese color LCD

Drive free USB direct connection, solving all connection problems

Drive free WIFI wireless control

Drive free Apple phone app control

Intuitive user balancing mode: music and microphone are balanced in three segments (high, medium, and low), and the sound is directly adjusted

Double reverberation technology, powerful surround sound and decoration, allowing you to sing worry free

Music incentive and tone changing function

Software online password function

Unlimited boot lock function

Machine functional parameters:

1. Music with 7-segment balance and 3-segment user balance, incentive function, positive and negative 7-level tone change function

2. Microphone 15 segment parametric equalization plus three segment user equalization, howling suppression function, high pitch enhancement function

3. Effect 3-segment parametric equalization, effect types are ECHO REVERB and ECHO stereo ECHO optional

4. Main output channel 3-segment parameter equalization high-low pass delay phase volume configuration

5. Mid output channel 3-segment parameter equalization high-low pass delay phase volume configuration

6. Ultra low output channel 3-segment parameter equalization high-low pass delay phase volume configuration

Four channel independent selection system It can greatly reduce the occurrence of frequency interruption

The four channel independent AFS frequency automatic search function can quickly scan and lock the frequencies with less interference in the working environment

A professional performance level phase locking circuit, combined with noise locking and digital pilot technology, when the transmitter is turned off, the pilot control silences the AF signal to suppress noise, while muting the corresponding receiver to ensure effective blocking of interference signals

The backlit LED display screen indicates the RF and AF signal strength, battery status, diversity channel indication (A/B), frequency, frequency group/channel and other working status

Frequency range: 605MHz-655MHz

Modulation method: FM

Number of channels: 160

Channel spacing: 50KHZ

Frequency stability: ± 0.005%

Dynamic range: 100db

Maximum offset: ± 45KHZ

Audio frequency response: 40HZ-18KHZ (± 2db)

Comprehensive signal-to-noise ratio:>105db

Comprehensive distortion: ≤ 0.5%

Intermediate frequency: 110MHz 10.7MHZ

Antenna access: TNC/50 Ω

Sensitivity: 12dBuV (80db S/N)

Sensitivity adjustment range: 12-32dBuV

Stray suppression: ≥ 75db

Maximum output level: 10dbv

Power supply mode: DC 12V 400mA input

Output power: High power 30MW, low power 3MW

Stray suppression: -60db

Power supply: 3 No. 5 1.5V alkaline batteries

Battery life: can be used for more than 8 hours during normal power transmission

One to two U-shaped wireless infrared frequency matching wireless microphone, with 200 frequency channels (100 optional on each side).

After shutting down, press and hold the UP button on the left to turn on the screen. The display screen will lock, and all buttons except for the power button cannot be adjusted. To unlock, repeat the operation and unlock the screen. All buttons can be operated.

Turn on the handheld microphone and hold down the power button to enter the sensitivity adjustment interface. 1.2.3.4.5 Adjustable, the larger the number, the higher the sensitivity. Press the button once to change one number. After adjusting to the selected number, let go and the display screen flash a few times before saving, and it can be used normally. When adjusting, stay away from the speaker to avoid whistling. Normally, adjust the sensitivity to around 3-4, which is sufficient for use. The sound pickup distance can reach about 50cm. In order to prevent users from making mistakes and unable to adjust it back.

Receiver parameters/specifications

Carrier Frequency Range: UHF640-690MHz

Frequency Stability: ± 0.05%

Dynamic Range/Mobile State Range:> 90dB

Modulation Mode: FM/PLL

Frequency Response: 50Hz-15KHz

Signal to noise ratio/S/N ratio: ≥ 90dB

Adjacent frequency interference ratio/F/N ratio:> 80dB

Mirror interference ratio/P/N ratio:> 80dB

Usage range/Service Areas: Meters ≥ 80 meters (ideal environment without interference in open areas)

Receiver Power Supply: DC 13.5V-15V
Transmitter parameters/specifications

Carrier Frequency: UHF640-690MHz

Frequency Stability: ± 0.01%

Maximum Deviation/Maximum Deviation: ± 45KHz

Harmonic radiation:<- 63dBm

Signal to Noise Ratio (S/N Ratio):>105dB

Dynamic Range: ≥ 100dB

Sound head/Ondo: dynamic coil condenser/dynamic (optional)

Frequency Response: 50Hz-15KHz

Distortion:>0.5%

Power Supply: DC 3V AAA * 2

The dual system dual backup digital conference system extends the basic discussion and other conference functions, fully combining unique digital technology, network technology, and digital audio technology.
Realize high-speed transmission of data under high bandwidth conditions, thereby further improving the microphone's fidelity and sound transmission speed, reducing sound loss, and ensuring high fidelity audio of microphone tone.
At the same time, a shielding system and high-speed DSP module are used in conjunction with digital frequency shift technology and suppression technology to control howling, immune high-frequency noise, environmental noise, and electromagnetic interference, presenting perfect sound quality to users.
It can seamlessly connect with intelligent central control systems and remote video conferencing systems, providing a complete solution for efficient modern conference system engineering.

Adopting dual system dual backup multi-channel system unit connection and backup ring connection, four 8-core dedicated conference unit connection ports, four RJ45 network cable connection ports, each supporting 30 units, up to 8 chairman units, can connect up to 128 conference system units, can connect expansion hosts and conference repeaters, and a set of conference systems can simultaneously access up to 4096 conference units;
Seamless matrix switching function for HDMI four in two out;

One XLR audio balanced output interface and one 6.35mm audio unbalanced output interface make the system more flexible in connecting to the audio system for expansion;

1 independent PC control interface, supporting PC software control of conference mode, speaker limit, gain adjustment, sign in, voting, and conference data management functions.

One RS-232 protocol control interface, supporting functions such as controlling speech mode and limiting the number of speakers through the central control host.

1 RS-485 protocol control interface, built-in independent camera tracking function, supports protocols such as PELCO-P, PELCO-D, and VISA, and supports up to 16 high-definition cloud dome cameras for preset tracking.

It is possible to set independent ID codes for conference units and support automatic camera tracking function in conjunction with the central control system.

Support optional camera control keyboard with PELCO-D protocol to achieve temporary camera tracking position adjustment.

Can configure audio input and output for video conferencing and telephone conferencing, and interface with remote conferencing systems.

Host power supply: AC 100V-240V 50-60Hz

Frequency response: 20Hz-20kHz

Signal to noise ratio:> 103dBA

Dynamic range:> 108dB

Total harmonic distortion: ≤ 0.01%±3dB

PC control interface: USB 2.0 square female socket x 1

Protocol control interface: RS232 × 1, RS485 × 1

Conference unit interface: RJ45 network interface x 4, round head DIN-8 socket interface x 4

Audio output: 6.35mm socket x 1, XLR XLR XLR socket x 1

Standby power consumption: 10W

Maximum power consumption: 350W

Installation method: 19 inch standard cabinet

Adopting a dual system dual backup connection method, it has dual systems of traditional hand-in-hand conference system and digital network ring conference system.
Two links can work independently or simultaneously, making the system highly stable, reliable, and convenient in multiple modes.
The conference unit can be equipped with either RJ45 Ethernet cable or 8-core dedicated conference cable, which can be used according to the user's environmental requirements to effectively resist interference, facilitate installation, and ensure reliable transmission.
Built in high-performance CPU and digital DSP circuit processing minimize distortion, making speech clearer and frequency response wider.

Built in high-performance CPU and digital DSP circuit processing, minimizing distortion to make speech clearer and have a wider frequency response;

High definition full view 3.5 high-definition IPS touch screen true color display screen, with clear display content;
It can display the voting in progress, voting mode, unit parameters, date and time, speaking volume, etc., providing a clear understanding of the current usage situation
Adopting a "hand-in-hand" connection method, supporting hot swapping, convenient for installation and maintenance

The speaking unit can apply for services such as tea, coffee, paper, pen, and service personnel, which can be manually converted between Chinese and English.

The microphone rod is equipped with a red LED aperture indicator light, which can display the status of speaking or listening;

After the conference unit is opened, it will automatically light up to indicate, effectively preventing misoperation, and the operation is intuitive and simple;

All buttons in the conference unit are equipped with high-quality, long-lasting, moisture-proof, and dust-proof switches;

Support automatic camera tracking function.

Working voltage: DC24V， Directly powered by the conference host;

The unit adopts aviation grade aluminum alloy material panel, CNC precision machining, surface sandblasting treatment, and anodizing process to ensure long-lasting glossiness.

Working voltage: DC 24V (supplied by the host)

Type of Micre: Heart shaped Directional Electret

Directional characteristics: heart-shaped/super heart-shaped (depending on the optional microphone)

Sensitivity:- 38 dBV/Pa

Frequency response: 20Hz-20KHz

Input impedance: 2 k ?

Maximum sound pressure level: 131 dB (THD<3%)

Equivalent noise: 25 dBA

Signal to noise ratio:> 80dB

Dynamic range:> 108 dB(1 KHz)

Total harmonic distortion: ＜ 0.01%±3dB

Maximum power consumption: 1W

Color: Grey