| Model | Property | Capacity |
| WH-3 | Volume controller | 6W |
| WH-23F | Volume controller with override | 6W |
WH-4II Series Volume ControllerAugust 17, 2018Serving multiple purposes, in-wall volume controls not only add convivence and accessibility, but also help to ensure you get the most from your amplifier. With a whole-house audio system, you’ll enj...view
WH-2RS Dual-channel Volume ControllerDecember 28, 2022This product is a 2-channel constant-resistance volume controller with override function. With streamlined design and rounded corners, it is made of high-quality ABS plastic, and the panel is sprayed ...view
WH-5II/WH-5FII Volume ControllerSeptember 2, 2019Serving multiple purposes, in-wall volume controls not only add convivence and accessibility, but also help to ensure you get the most from your amplifier. With a whole-house audio system, you’ll enj...viewwe will contact you within 24 hours.
What Does a PA Amplifier Do?May 25, 2023The Functionality of a PA AmplifierPublic Address (PA) systems have become an integral part of various applications, such as schools, airports, shopping malls, and stadiums. These systems consist of s...view
2022 Annual Meeting of the DSPPA Global CenterJanuary 25, 2022On January 22nd, 2022 Annual Meeting of the DSPPA Global Center was held successfully, attended by executives and elites. This annual event was split into four parts: Leaders' Remarks, Recognition Ceremony, Team Show and Lotteries.view