Products Description The Audio Power Supply 24V 350W SMPS is made for audio systems that need consistency and good performance. It has a built-in active PFC function. This function makes power use better. It cuts down on energy waste and makes the whole system more stable. The power supply has precise output control. It has ±1% output accuracy, ±0.5% line regulation, and ±0.5% load regulation. So it keeps voltage changes small, even when the load is different. Ripple and noise are kept at 240mVp-p. This stops interference that might make audio quality worse. It also has full protection against overload, short circuit, over voltage, and over temperature. This protects both the power supply and the audio equipment it is connected to. The unit has a 12V/0.25A fan power output (±15%) for extra cooling. It supports 348W of rated power with fan cooling and 260W with natural convection. It also has an output adjustable range of ±5% to fit specific system needs.
Products Parameter：KPSP350-24
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OUTPUT SPECIFICATION |
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Output voltage |
24VDC |
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Rated current |
14.5A |
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Current range |
0-14.5A |
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Rated power(with fan) |
348W |
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Rated power(Natural Convection) |
260W |
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Ripple &noise |
240mVp-p |
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Output adjustable range |
±5% |
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Output accuracy |
±1% |
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Line regulation |
±0.5% |
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Load Regulation |
±0.5% |
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Setup, rise, hold up time |
1000ms,20ms,5ms |
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INPUT SPECIFICATION |
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Rated input voltage |
100~240V AC |
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Input voltage range |
90V~264V AC |
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Input Current |
Max4.5A |
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Frequency Range |
50~60Hz |
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efficiency @230Vac |
94% |
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Power factor |
PF＞0.98/115V;PF＞0.95/230V |
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Inrush current |
cold start 40A/230VAC |
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Leakage current |
<0.5mA@240VAC |
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STB FUNCTION |
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Fan power output |
12V/0.25A,±15% |
Products Description
Large Venue Audio Systems
It works well for powering sound systems in concert halls, theaters, and auditoriums. These places need high power and stable performance. They need to send clear, lively sound across big spaces.
Professional Recording Studios
It meets the strict power needs of studio equipment. This includes mixers, amplifiers, and audio interfaces. It gives power without noise. This is good for accurate sound recording and mixing.
Outdoor Performance Equipment
It is good for outdoor concerts, festivals, and event setups. It has a wide input voltage range and a strong design. It can fit different environmental conditions and power sources.
Stage & Entertainment Installations
It works with stage lighting systems, LED screens, and moving head lights. It gives steady and reliable power. It is for audio-visual setups in venues, clubs, and event spaces.
After-Sales Service & Technical Support
- Standard Warranty Commitment: All products come with an industry-standard 24-month warranty period. We also support long-term maintenance after the warranty expires.
- Flexible Spare Parts and Repair: We keep a stock of core spare parts to support quick replacement. We provide an efficient repair process. Generally, faulty parts can be repaired and returned within 5-7 working days.
- On-Site Support: For urgent or complex problems, we can arrange technical personnel to provide on-site technical support and troubleshooting (arranged based on specific situations).
FAQ
Q: The power supply has a wide input voltage range (88-264VAC). Can it really be used directly in any country around the world without adjustment?
A: Yes. The KPSP300 series is designed with a full-voltage input that works in all countries. When the single-phase AC power grid voltage in your area is between 88V and 264V (covering standard voltages like 100V, 115V, 220V, 230V, 240V, and so on) and the frequency is between 47Hz and 63Hz, the power supply can automatically adapt and work normally. You don't need any manual switching or adjustment.
Q: The specifications indicate "Rated Power (Natural Air Cooling) 200W" and "Rated Power (10cfm Fan) 300W". How should I choose the operating conditions?
A: These are key parameters to make sure the power supply works reliably for a long time. Natural Air Cooling 200W: It means the equipment has no extra fans. It only uses internal natural convection and heat dissipation from the case. The maximum power you should use continuously is no more than 200W. It works for places where noise is a problem or there is enough space for heat dissipation. Forced Air Cooling 300W: It means you provide at least 10CFM (cubic feet per minute) of airflow for extra cooling next to the power supply module. Then it can output the full 300W power continuously. When your equipment works at high load (>200W) for a long time, we suggest improving heat dissipation.
Q: Can the output voltage be fine-tuned around the nominal value?
A: Yes. The output voltage of this series of power supplies can be adjusted a little within ±5% of its nominal value (like 12V, 24V, and so on). For instance, the output voltage adjustment range of the 12V model is about between 11.4V and 12.6V. For exact adjustment methods, please look at the detailed product manual or ask our technical engineers.
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