
KA II 3-in-1 Karaoke Professional Amplifier, using convenient and intuitive color LCD, unique appearance design, the entire front structure of the three-dimensional form of the body of the space, giving people a strong sense of visual dynamics, the use of 8 cores of 56bit DSP audio processor. 56bitMAC Operation (800M MAC/sec) vector processing, double-precision instructions, using 24bit, 192kHz audio codec, 114dB dynamic range, -100dBTHD + N. Sampling frequency 48K/24Bit, ultra-low latency, perfect channel mute design, support for external APP debugging, integrated wireless microphone. Wide working power supply voltage 160V~240AVC, all-weather protection to solve the voltage fluctuation brought about by the equipment does not work and damage. Suitable for: private clubs, family KTV and other places
Product features:
Power amplifier section:
1. It has basic sound effect adjustment such as level, filter, pressure limit, delay, echo and reverberation.
2. New HD reverb algorithm.
3. Excellent screech suppression, the level can be freely adjusted.
4. A programmable dynamic noise gate.
5. Analog audio interface with four independent outputs.
6. Two independent microphone channels.
7. High fidelity Bluetooth music input.
8. It has a flexible and adjustable audio control platform.
9. Power intelligent constant technology
10. When the load connected to the power amplifier is below the rated range, the output power is intelligently controlled and will not continue to increase, but will remain constant in the safe and reliable working range, so that the stability of the power amplifier is greatly improved.
11. Technology-leading H class circuit
12. Class H circuit, can easily push 8Ω~4Ω load, unique design to protect the large tube working in a safe operating area.HiFi level of fever circuit.
Wireless microphone section:
1. It has the function of automatic searching idle frequency points with one key and locking button with one key
2. High quality electronic volume control, simple combination
3. The sound quality is clear and bright, and the ideal use distance is 100 meters
4. There are 200 optional frequency points, which can be used by 80 units at the same time. The handheld microphone is universal and has strong anti-interference ability
5. The LCD display channel and battery power are displayed, and the battery low voltage flashes to 1.8V and automatically shuts down
6. Suitable for large stage, conference hall, etc
Technical parameter :
Model | KA-300 II | KA-500 II | KA-700 II |
Rated Power RMS | (8Ω)2×300W | (8Ω)2×500W | (8Ω)2×700W |
Rated Power RMS | (4Ω)2×450W | (4Ω)2×750W | (4Ω)2×950W |
Frequency Response | 20Hz-20kHz(±0.5dB) | 20Hz-20kHz(±0.5dB) | 20Hz-20kHz(±0.5dB) |
Output Circuit | ClassH class | Class H; | Class H; |
Total Harmonic Distortion | ≤0.05%@8Ω1KHz | ≤0.05%@8Ω1KHz | ≤0.05%@8Ω1KHz |
Signal-to-Noise | ≥89dB | ≥89dB | ≥89dB |
Slew rate | 25V/μs | 25V/μs | 25V/μs |
Damping Factor | >500; | >500 | >500 |
Separation | >85dB@8Ω 1KHz | >85dB@8Ω 1KHz | >85dB@8Ω 1KHz |
Iinput sensitivity | 0.775V | 0.775V | 0.775V |
Input impedence | 20kΩ balanced and 10kΩ unbalanced | 20kΩ balanced and 10kΩ unbalanced | 20kΩ balanced and 10kΩ unbalanced |
Protections | Direct current, short circuit, overheating, soft start | Direct current, short circuit, overheating, soft start | Direct current, short circuit, overheating, soft start |
Front panel controls | Transfer switch, LCD screen, function keys | Transfer switch, LCD screen, function keys | Transfer switch, LCD screen, function keys |
Product volume | 0.045m³ | 0.045m³ | 0.045m³ |
Chassis Thickness | 2U | 2U | 2U |
Product size | 483mmX320mmX88mm | 483mmX320mmX88mm | 483mmX320mmX88mm |
Dimensions (W×D×H) | 515mmX460mmX215mm | 515mmX460mmX215mm | 515mmX460mmX215mm |
Net weight | 9.9KG | 11.1KG | 13.2KG |
Gross weight | 12.7KG | 13.7KG | 15.9KG |
Receiver |
Receive frequency | UHF640-690MHz |
Frequency stability | ±0.002﹪ |
Sensitivity | 10uV |
Mirror interference ratio | >60dB |
Noise-signal ratio | >80dB |
Expand the ratio | 1︰2 |
Audio output | Adjustable 0~300mV |
Receiving channels | Route 2 |
Mixed output interface | 6.35MM unbalanced mixing port |
Output separately | Two balanced outputs |
Supply voltage | DC12V-1A(50Hz) |
Power dissipation | 3W |
Antenna | External BNC antenna |
Dynamic range | >80dB |
Comprehensive distortion | ≧0.5﹪ |
Operating temperature | -10℃~50℃ |
Wireless handheld microphone |
Transmit Frequency | UHF640-690MHz |
Frequency stability | ±0.002﹪ |
Transmitting power | 20mW/30mW two levels |
Current loss | <120mA@ input 3V voltage |
Near-frequency suppression | >60dBm |
Standard | frequency modulation FM |
Modulation offset | ±45KHz |
Compression ratio | 2︰1 |
Pickup | Super cardioid moving coil type |
Batteries | Two 5# 1.5V alkaline batteries |
Antenna | Built-in ring antenna |
Frequency response | 30Hz~16KHz@±3dB |