A versatile 40A rack-mount power bank and adapter designed for professional audio devices, featuring 12 outputs and comprehensive power sequencing control.


| Operating Voltage | Single-phase 110V or 220V (±20%) |
|---|---|
| Operating Frequency | 50/60Hz (±5%) |
| Power Input | Single-phase three-core terminal block |
| Power Output | Total 40A, max 13A per channel |
| Dimensions | 482mm × 375mm × 132mm |
| Net Weight | 4.7KG |



Guangzhou Jiuding Audio-Visual Technology Co., Ltd. integrates R&D, production, and sales, offering high-quality "MEKEY" brand audio equipment.
Our advanced plant covers 6,000 sq. m., featuring production lines, detection systems, and core technologies such as crossover boards, speaker units, and audio systems. Departments include R&D, production, quality inspection, and exhibition.
Guangzhou Jiuding offers a full product range and solution services, including design and bidding. Products include speakers, amplifiers, microphones, and conferencing systems for diverse applications, with 200,000 successful cases to date.







All products are brand-new and factory original. We provide factory authorization and commitment letters.
Before bulk orders, we offer free samples for inspection. Shipping costs are borne by the customer.
Delivery depends on quantity. Bulk orders take about 7 to 12 days to produce.
We provide sea and air freight. Air is for small items; batteries cannot be air-shipped. Contact customer service for details.
We require payment before shipment. Deposit depends on the order amount.
Standard warranty is two years from shipment. For extensions, contact our customer service.
After-sales service covers equipment failure and technical support. Our products have strict quality control, leading to minimal failures. We offer replacement or factory repair for failures and provide a 24-hour service hotline and online support for technical assistance.