Ceiling Speaker Amplifier Package supermarkets, shopping malls cafe teahouse background music special

Set of speakers include: USB amplifier 1 station, 10W Ceiling Speaker 2, 100 speaker wire 1 roll (65M / roll) To add condenser microphone broadcast +128 Element: Technology installation and maintenance Tel: 15070771631 applies to 30- 60-square-meter store supermarket shopping cafe teahouse background music so dedicated broadcast systems as well as emergency notification propaganda. One: Performance Introduction USB Series amplifier power output 4-16Ω / 110V constant resistance, constant pressure form. USB Series amplifiers with reliable short circuit protection, two microphone inputs, and has mute function. 1 line input can be connected to CD. Tuners. 1 line output for other amplifiers do sound recording or make audio use. Road microphone input, line, MP3. High bass can be adjusted independently. For the convenience of users, the product also with U disk decoding, support MP3.WMA both formats. 2: Technical Features 1. Rated output power: 50W 2. Output form: 4-16Ω / 110V 3. Frequency response: 40Hz-80KHz ± 0.5dB 4. Total harmonic distortion: ≤0.2% (at rated output power) 5. Power supply: AC220V ± 10% 50Hz-60 Hz three: 1. Use Caution When AC220V ± 10% (50Hz-60Hz) 2. Do not block the vents, so as not to affect the cooling effect. 3. Avoid unnecessary load short circuit. 4. play MP3, if the microphone. Line will not be used to close the knob. 5. If the machine appears abnormal, non-professionals do not open the machine for maintenance, in order to avoid electrical shock. Brand: BOLANG main features are: MP3 player, insert U disk songs Road can enter independent volume control, three-way microphone volume control; 110V, and 4-16 ohm output distribution: 1. Packing: cardboard boxes, nylon plus foam protection 2. Delivery: Freight. 3. Receipt of goods: Before shipment, we have pay attention to commissioning, inspection and packaging. Please sign face to face inspection, non-destructive and then sign to confirm. Service: 1, product warranty: Equipment month replacement, half year warranty and lifetime maintenance (except human damage). 2. Other: warranty between cause system equipment, parts damage, my unit will promptly replaced free of charge (except for man-made and natural disasters damage). Between maintenance costs related accessories only charge this speaker package Logistics, the logistics from mentioning to the municipal area, such as going to the county areas need to consult the can, Jiangsu, Zhejiang and Guangdong Province can send excellent speed courier bag. All other remote areas Logistics from mentioning. If you have questions, please contact elaborate consultation with the store address:. Http: //ruikangdq.taobao.com