AUX187II Coaxial Hi-Fi Ceiling SpeakerJune 26, 2017view
AUX521 Ceiling SpeakerSeptember 11, 2018This product is a coaxial two frequency ceiling type speaker, with a wide range of sound diffusion. large output power. Easy in stallion fear, can reproduce the voice and music. It’s an ideal choice ...view
AUX650 Tree Stump SpeakerJune 26, 2017AUX650 Tree Stump Speaker is a 20W all weather speaker disguised as a tree stump. Outdoor speakers are nice for patio entertainment, but they rarely blend with your décor. The 20-watt Tree Stump Spe...viewwe will contact you within 24 hours.
DSPPA Got Big Success in 2014 Security ChinaDecember 21, 2016On Oct 28th to 31st, 2014, the 12th China International Exhibition on Public Safety and Security is held in Beijing. This is a grand gathering of Security Industry, Chinese and foreign security compa...view
The Function and Characteristic of PreamplifierApril 29, 20211. The basic function of preamplifierThe preamplifier is the connection device between various audio source equipment (including ordinary audio sources such as CD players, tuners, decks, MP3 players a...view
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