00:13 Low power 800 4 channel digital power amplifier Customer feedback, suitable for small gathering places, do you like it?#amplifier audio
00:30 Double 8 "line array and double 18-inch subwoofer sound effects#subwoofer #18 inch subwoofer #Line array
00:20 Have you been involved in any activities recently? Need any audio equipment?#professional audio #Audio Sound Equipment #audioequipment
00:18 Professional factory equipment, professional stage amplifier production line#power amplifier #professional audio #sound system
00:52 D series DSP digital power amplifier, using imported Alldsp software.#amplifier #dsp #audio
00:29 Dual 8 and dual 10 inch line array active models#Line array #subwoofer #active line array
00:38 Professional neodymium magnetic stage line array and subwoofer speakers.#speaker #stage speakers #stage
00:26 D4-2000 DSP digital power amplifier indoor stage feedback.#amplifier #power amplifier #dsp amplifier