We are proud of providing excellent products as below:
line array sound system; concert sound system; dj equipment; conference sound system; karaoke speakers; outdoor speakers; stage speakers; audio speaker; subwoofer speaker; line array; speaker system; sound system; professional loudspeaker; dj speaker box; subwoofer; bass; pro audio; coaxial speaker; woofer speaker; line array cabinet;
Professional power amplifier; audio amplifier, audio processors; wired and wireless microphone; equalizer; pre-amplifier, mixers; etc.
Professional Power Amplifier - AK Series
AK Series professional power amplifier is designed as mid-low class products faced to the entertainment and small performance market. It is a lightweight and space-saving power amplifier, ideal for using in Karaoke, club, or for stage monitor. With the cheap price and high-efficiency, AK series is a good choice for most of the occasions.
Applications:
*Karaoke rooms
*Club
*Mid-low Class speaker’s stage.
Features:
*2U rack mounting
*Overheat, Clipping, Overload, Short Circuit Protection and Soft Start
*Separation of grounding switch
*Working mode conversion ( stereo, mono bridged and connected )
*Input sensitivity selection
*Excellent sound quality and strong power output
*Adopting high integrated parallel circuit design, greatly reduces the breakdown rate
*Advanced cooling system and low noise design
*Professional input and output terminals
Model | AK-3000 | AK-4000 | AK-6000 | AK-8000 |
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8Ω Stereo Power | 300W x2 | 400W x2 | 600W x2 | 800W x2 |
4Ω Stereo Power | 450W x2 | 600W x2 | 900W x2 | 1200W x2 |
8Ω Bridged Power | 700W | 1000W | 1800W | 2400W |
Damping factor | 400:1 | 450:1 | 500:1 | 550:1 |
Slew rate | 60v / us | 60v / us | 80v / us | 80v / us |
S/N Ratio | >103dB | >105dB | >105dB | >106dB |
T.H.D. rate power@8Ω 1KHz | ≤0.03% | |||
T.M.D. rate power@8Ω | ≤0.01% | |||
Frequency Response | 20Hz-20kHz,±0.1dB | |||
Input Sensitivity | 0.775v /1.0v / 1.55v | |||
Input Impedance | 20kΩ Balanced,10kΩ Unbalanced | |||
Input connectors | XLR Plugs | |||
Stereo/Mono | Stereo, mono bridged and connected | |||
Protection | Overheating, clipping, overcurrent, overload, short circuit. | |||
Power Supply | AC 220v/50~60Hz |
AC 220v/50~60Hz |
AC 220v/50~60Hz |
AC 220v/50~60Hz |
Dimensions(W×D×H) | 483x420x88 mm/2U | 483 x420 x88 mm/2U | 483x420x88 mm/2U | 483x420x88 mm/2U |
Net W. | 16kg | 17kg | 22kg | 23kg |
Professional Power Amplifier Design
Professional Power Amplifier Design
RKB audio products
RKB audio products
RKB Speakers products
[RKB Audio] Company Introduction:
Products:
Our main products: Passive 2-way/3-way full range speaker, line array speaker, subwoofer/bass speaker, stage speaker, karaoke speaker, PA system, professional power amplifier, karaoke amplifier, wireless microphone, etc.
R&D Ability:
We have strong R&D Ability, owing totally 3 factories on speakers/amplifiers/empty speaker cabinets. We have 10 designers who have more than ten-year experience on sound. We develop over 30 series of new models each year, and we can also make samples according to your requirements.
Management Concert:
Quality First; Customers Upmost; Sincere Cooperation: Create Win-win.
Our Mission:
Keep providing amazing feature sound systems at prices that fit everyone’s budget.
Market:
80% of our products are exported to Europe, South-east Asia, the Middle East, and other areas. We have built a great reputation in the field of professional sound in overseas.
Payment Terms:
30% deposit to confirm order, balance paid before shipment.
Payment Mode:
T/T; Western Union; MoneyGram; Cash; or negotiated.
Lead Time:
7-15 working days.
We promise to provide high level of professional audio equipment and best service. Welcome all the customers to visit us and establish business relations with RKB Pro-audio.