Rosstone Audio Technology Co., Ltd is a professional in Amplifier manufacturers, exporters, suppliers. ODM and OEM Amplifier products are very welcome. http://www.rosstone.com 2011-08-29T14:16:36Z Rosstone Audio Technology Co., Ltd xiaohaidi922@163.com http://www.rosstone.com/products/wireless-speaker-wma-8520.html 2011-08-29T14:16:36Z

WMA-8520(Wireless Speaker) wireless speaker-audio system   WMA-8520(Wireless Speaker) System Specification: Output Power: 10W Frequency Range: VHF170-280MHz Frequency Stability :±0.005% Modulation Mode: FM Modulation Deviation: 100KHz Audio Frequency Response: 100Hz-10KHz Signal  to Noise Ratio: >60dB Dynamic Range: >60dB System Distortion: ≤0.5% Operating Range: 20m Operating Temperature Range: 0oC~40oC

http://www.rosstone.com/products/wireless-speaker-audio-system-wma-3600.html 2011-09-01T02:02:41Z

wireless speaker - audio system Output Power: 25W(4Ω) Frequency Range: VHF170-280MHz Frequency Stability: ±0.005% Modulation Mode: FM Modulation Deviation: 100KHz Audio Frequency Response:100Hz-10KHz Signal to Noise Ratio: >60dB Dynamic Range: >60dB System Distortion: ≤0.5% Operating Range: 25m Operating Temperature Range: 0oC~40oC

http://www.rosstone.com/products/wireless-amplifier-wma-600.html 2011-08-29T14:16:36Z

wireless audio system Specification: Output Power: 12W(4ohms) Frequency Range: VHF170-280MHz Frequency Stability :±0.005% Modulation Mode: FM Modulation Deviation: 50KHz Audio Frequency Response: 100Hz-10KHz Signal  to Noise Ratio: >60dB Dynamic Range: >60dB System Distortion: ≤0.5% Operating Range: 25m Operating Temperature Range: 0oC~40oC

http://www.rosstone.com/products/hi-fi-console-wood-speaker-vf-6.2.html 2011-08-29T14:16:36Z

console speaker ,competitive price ,perfect sound and quality with OEM service   VF-6.2(Hi-Fi BConsole Wood Speaker) KTV  speaker Specifications: Frequency response:25~100W Sensitivity: 90dB Rating Impedance: 4Ω   Feature: Hi-Fi bookshelf speaker VIFA bobble high pitch Low drain and high quality frequency divider 6" 1/2" midbass drive unit 18mm MDFspeaker box with  good construction design exquisite design High sound ...

http://www.rosstone.com/products/hi-fi-bookshelf-wood-speaker-vf-6.1.html 2011-08-29T14:16:36Z

bookshelf speaker ,competitive price ,perfect sound and quality with OEM service VF-6.1(Hi-Fi Bookshelf Wood Speaker) KTV  speaker Specifications: Frequency response:25~100W Sensitivity: 87dB Rating Impedance: 8Ω Feature: Hi-Fi bookshelf speaker VIFA bobble high pitch Low drain and high quality frequency divider 1/2" midbass drive unit 18mm MDFspeaker box with  good construction design exquisite design High sound quality

http://www.rosstone.com/products/ktv-speaker-dk-625.html 2011-08-29T14:16:36Z

KTV speaker ,competitive price ,perfect sound and quality with OEM service   DK-625 KTV  speaker Rating  Power: 150W( RMS) Peaking Power: 450W( PEAK) Frequency Response : 32Hz-19KHz Sensitivity: 92dB Impedance: 8Ω Size:  260D*550W*292H

http://www.rosstone.com/products/stereo-wireless-earphone-rst-206.html 2011-08-29T14:16:36Z

RST-206( Stereo Wireless Earphone ) Good quality and advanced technology;low distortion RST-206(  Stereo Wireless Earphone ) Specifications: frequency Range:VHF170-280MHz Modulation Mode:FM Oscillation Mode:quartz Output Impedence :16Ω Operating Range:25m Sensitivity:52Db Distoration:0.5% Frequency Response Range: 75Hz-12KHz Signal to Noise  Ratio: 50dB Power Suppy:3V Advance Quality Use: PC Household Speak TV

http://www.rosstone.com/products/wireless-headphone-rs-200.html 2011-08-29T14:16:36Z

RS-200( VHF Wireless Headphone ) Good quality and advanced technology;low distortion RS-200( VHF Wireless  Headphone ) Specifications: frequency Range:100-8KHz Output Impedence :16ohms Operating Range:25m Sensitivity:52Db Distoration:0.5% Signal to Noise  Ratio: 50dB Power Suppy:3V Advance Quality Use: PC Household Speak TV

http://www.rosstone.com/products/wireless-headset-microphone-pr-208.html 2011-08-29T14:16:36Z

PR-208( VHF Wireless Interphone ) Good quality and advanced technology;low distortion PR-208(  VHFWireless Interphone ) Specifications: frequency Range:VHF170-280MHz Modulation Mode:FM Oscillation Mode:quartz Output Impedence :16Ω Operating Range:15m Sensitivity:52Db Distoration:0.5% Frequency Response Range: 75Hz-12KHz Signal to Noise  Ratio: 50dB Power Suppy:3V Advance Quality Use: PC Household Speak TV

http://www.rosstone.com/products/wired-and-wireless-microphone-series-wm-308g2.html 2011-09-01T22:12:17Z

Wireless And Wired Microphone Series, OEM service with competitive price   WM-308G2 ( Wired And Wireless  Microphone Series) System Specifications: Modulation Mode: FM Frequency Response:  100Hz-10KHz Output Impedance: 600Ω Sensitivity: -72dB Distortion: ≤0.5% Effective Distance: 15-30m Transmitter/ Receiver Frequency: 114MHz-116MHz

http://www.rosstone.com/products/hi-fi-amplifier-mc-4.0-mp-1200.html 2011-08-29T14:16:36Z

HI-FI amplifier system MC-4.0 MP-1200 HI-FI amplifier system Specifications: Output Power: 120W×2( 8Ω) Frequency Response: 4Hz-40KHz Signal to Noise  Ratio: >92dB Distortion: <0.02%

http://www.rosstone.com/products/hi-fi-amplifier-ma-100.html 2011-08-29T14:16:36Z

Hi-Fi amplifier system,high quality ,competitive price   MA-100 Hi-Fi amplifier system Specifications: Output Power: 120W×2 (8Ω) Frequency  Response: 4Hz-40KHz Signal  to Noise Ratio: >95dB Distortion: <0.02%

http://www.rosstone.com/products/ktv-amplifier-ka-4700.html 2011-08-29T14:16:36Z

KA-4700 (Professional Amplifier System) competitive price ,perfect sound with OEM service KA-4700(Professional KTV Amplifier System) Products description: perfect protection from overcurrent and overheated  clear output power indication Advanced imported original binding high power valve professional recording input and toggle output all the volumn controller use the advanced step potentiometer Port: Tow recording input and toggle output port working at the same time one ...

http://www.rosstone.com/products/mini-amplifier-e-sa9.html 2011-08-29T14:16:36Z

E-SA9 (Mini Amplifier System) Good quality & competi   E-SA9 (Mini Amplifier System) Specifications: Output Power: 15W×2 (8ohms) Frequency  Response: 20Hz-20KHz Signal  to Noise Ratio: >76dB Distortion: ≤0.5% Allocation Unit: RCA wire:2 pcs 1A fuse:1 pcs Use: PC Home Mini Amplifier

http://www.rosstone.com/products/difunctional-kaoka-da-222.html 2011-08-29T14:16:50Z

DA-222(Professional KTV Amplifier System) competitive price ,perfect sound with OEM service   DA-222(Professional KTV Amplifier System) Product Description unique ultrathin appearance OK KAOKA automatic control  OK three channel KAOKA free control OK dual function with amplifier and KAOKA perfect output and input port Key  amplifier and KAOKA operating mode shift   master volumn controller  bass and alt regulations  mic tone controller  ...

http://www.rosstone.com/products/ktv-amplifier-ba-125.html 2011-08-29T14:16:50Z

BA-125(Professional KTV Amplifier System) competitive price ,perfect sound with OEM service BA-125(Professional KTV Amplifier System) Specification: Output Power:150W*2  8Ω   (main)                        50W        8Ω     (middle)            &...

http://www.rosstone.com/products/ktv-digital-reverberant-amplifier-a-300.html 2011-08-29T14:16:50Z

A-300 (Professional KTV Digital Reverberant Amplifier System) competitive price ,perfect sound with OEM service   A-300 (Professional KTV  Digital Reverberant Amplifier System) Specification:  Output Power:150W*2  8Ω  230W*2  4Ω  Power Supply: AC 180V-240/50Hz Frequency Response: 20Hz-20KHz±dB Signal to Noise Ratio:>80dB THD:≤0.1%

http://www.rosstone.com/products/vhf-wireless-microphone-vhf-2032.html 2011-08-29T14:16:50Z

Wireless microphone ,VHF200-260MHz, Strong mute circuit   VHF-2032 VHF Wireless microphone System Specification: Frequency Range:UHF 200-260MHz Audio Frequency Response: 80Hz-12KHz Signal to Noise Ratio:>60dB Dynamic Range: >100dB System Distortion:≤.0.5% Operation Range:40m Operation Temperature Range:-0oC~+40oC Transmitter Specification : RF Output Power: 10mW Max Harmonic Suppression: 40dB Antenna: Built-in Power Requirement: 1.5V(AA)*3Battery Nomi...

http://www.rosstone.com/products/vhf-wireless-microphone-vhf-2031.html 2011-08-29T14:16:50Z

VHF-2031 (VHFWireless microphone ) Wireless microphone ,VHF180-260MHz, Strong mute circuit   VHF-2031 (VHFWireless microphone ) VHF Wireless microphone System Specification: Frequency Range:UHF 180-260MHz Modulation Deviation: 75kHz Audio Frequency Response: 100Hz-12KHz Signal to Noise Ratio:>60dB Dynamic Range: >100dB System Distortion:≤.0.5% Operation Range:40m Operation Temperature Range:-0oC~+40oC Transmitter Specification : RF Output Power: 10mW Max ...

http://www.rosstone.com/products/wireless-stereo-monitor-system-pm-1.html 2011-08-29T14:16:50Z

Wireless Stereo Monitor System Total 4 selectable channels, Double stereo channels design. Audio Companding circuitry, 50m   System Specification: Frequency Range:UHF863-865MHz Frequency Stability: ±0.005% Oscillation  Mode:  PLL Modulation Deviatiion:75KHz Audio Frequency Response:50Hz-20KHz Signal to Noise Ratio:>65dB Dynamic Range:>100dB System Distortion:≤0.5% Operating Range:50m Operating Temperature Range:-10oC~+50oC Transmitte...

http://www.rosstone.com/products/wireless-microphone-bw-2518.html 2011-08-29T14:16:50Z

VHF200-280MHz, wireless microphone, Dual voltage 110V/220V switch for choice,Lightly touching control-volume design,   BW-2518 (VHF Wireless  Microphone) System Specification Frequency Range: VHF 200-280MHz Frequency Stability : ±0.005% Modulation Deviation : 50KHz Audio Frequency Response: 100Hz-12KHz Signal to Noise Ratio: >60dB Dynamic Range: >100dB System Distortion: ≤1.0% Operating Range: ≥30m Operating Temperature Range: -10~+50oC Trans...

http://www.rosstone.com/products/wireless-conference-microphone-bw-2488m.html 2011-08-29T14:16:50Z

wireless conference microphone, 1.four micropohones 2.Advanced companding circuitry, 3.Wide range frequency response, wireless conference microphone System Specifications: Frequency Range: VHF200-280MHz Frequency Stability:±0.005% Modulation Mode:   FM Modulation  Deviation: 50KHz Audio Frequency Response: 100Hz-15KHz Signal to Noise Ratio:   >60dB Maximum Sound Pressure Level:  >100dB System Distortion:≤0.5% Operating Range:...

http://www.rosstone.com/products/vhf-wireless-microphone-bw-2488.html 2011-08-29T14:16:50Z

VHF Wireless Microphone, 1. four microphones can be used at the same time, 2. better price and quality with OEM/ODM service. BW-2488 (VHF Wireless  Microphone) System Specifications: Frequency Range: VHF 210-280MHz Audio Frequency Response:  100Hz-10KHz Signal to Noise Ratio: >60dB Dynamic Range:>60dB System Distortion: ≤0.5% Operating Range: 25m Operating Temperature Range: 0oC~40oC Transmitter: RF Output Power:  10mW Max Antenna:   Bu...

http://www.rosstone.com/products/wireless-microphone-bw-2388.html 2011-08-29T14:16:50Z

VHF 210-280MHz, Wireless Microphone, 4 microphones in one receiver can work at same time,LED showing screen for receiver,   BW-2388 ( VHF Wireless  Microphone )  System Specification Frequency Range: VHF 210-280MHz Frequency Stability : ±0.005% Modulation Deviation :75KHz Audio Frequency Response: 100Hz-12KHz Signal to Noise Ratio: >80dB Dynamic Range: >100dB System Distortion: ≤0.5% Operating Range: ≥30m Operating Temperature Range: -10~+...

http://www.rosstone.com/products/vhf-wireless-microphone-bw-500.html 2011-08-29T14:16:50Z

BW-500(VHF Wireless Microphone) good quality and competitive price   BW-500 (VHF Wireless  Microphone) System Specification Frequency Range: VHF 180-260MHz Frequency Stability : ±0.005% Modulation Deviation : 50KHz Audio Frequency Response: 100Hz-12KHz Signal to Noise Ratio: >60dB Dynamic Range: >100dB System Distortion: ≤1.0% Operating Range: ≥30m Operating Temperature Range: -10~+50oC Transmitter RF Output Power:  10mW Max Harmoni...

http://www.rosstone.com/products/wireless-conference-microphone-bwm-888.html 2011-08-29T14:16:50Z

wireless ,conference microphone 730-760MHz,Total 40 free selectable channels ,Work state indicator function ,Advanced companding   BWM-888 UHF wireless conference microphone System  Specifications: Frequency Range: UHF730-760MHz Frequency Stability: ±0.005% Modulation Mode: UHF Modulation  Deviation: 75KHz Audio Frequency Response: 100Hz-15KHz Signal to Noise Ratio:>60dB Dynamic Range: >100dB System Distortion:≤0.5% Operating  Range: 5...

http://www.rosstone.com/products/wireless-microphone-bw-9200b.html 2011-08-29T14:16:50Z

wireless microphone,UHF730-760MHz,Total 32 selectable channels, Dynamic LCD screen display, PLL technology,rechargeable mics. UHF wireless microphone System Specification: Frequency Range:UHF 730-760MHz Frequency Stability:±0.005% Oscillation  Mode: PLL Modulation Deviation: 75kHz Audio Frequency Response: 100Hz-15KHz Signal to Noise Ratio:>85dB Dynamic Range: >100dB System Distortion:≤.0.5% Operation Range:50m Operation Temperature Range:-10oC~+50o...

http://www.rosstone.com/products/uhf-wireless-microphone-bw-925.html 2011-08-29T14:16:50Z

UHF 763-830MHz, Wireless Microphone,Wide range frequency response. Low distortion,   BW-925(UHF Wireless  Microphone ) System Specification Frequency Range: UHF 740-750MHz Frequency Stability : ±0.001% Modulation Deviation : 75KHz Audio Frequency Response: 100Hz-15KHz Signal to Noise Ratio: >80dB Dynamic Range: >100dB System Distortion: ≤0.5% Operating Range: ≥50m Operating Temperature Range: -10~+50oC Transmitter RF Output Power:  ...

http://www.rosstone.com/products/wireless-microphone-bw-922.html 2011-08-29T14:17:03Z

wireless microphone, UHF800-830MHz, 2*160 selectable channels, PLL technology , Dynamic LCD screen display,   BW-922 UHF wireless microphone System Specification: Frequency Range:UHF 800-830MHz Frequency Stability:±0.005% Oscillation Mode: PLL Modulation Deviation:75kHz Audio Frequency Response:100Hz-15kHz Signal to Noise Ratio:>65dB Dynamic Range:>100dB System Range:≤0.5% Operating Range:>25m Operating Temperature Range:-10oC~+50oC Transmitter Specif...

http://www.rosstone.com/products/wireless-microphone-bw-903.html 2011-08-29T14:17:03Z

Wireless Microphone, UHF763-830MHz, Dynamic LCD screen display, strong mute circuitry,PLL technology,Rechargeable function   BW-903 UHF Wireless Microphone System Specification: Frequency Range:UHF 763-830MHz Frequency Stability:±0.005% Oscillation  Mode: PLL Modulation Deviation:75kHz Audio Frequency Response:100Hz-15kHz Signal to Noise Ratio:>85dB Dynamic Range:>100dB System Range:≤0.5% Operating Range:50M Operating Temperature Range:-10oC~+50oC ...

http://www.rosstone.com/products/wireless-microphone-bw-902.html 2011-08-29T14:17:03Z

UHF wireless microphone, 1.total 32 selectable channels, 2.Dynamic LCD screen display,strong mute circuitry, rechargeable   UHF wireless microphone System Specification: Frequency Range:  UHF730-760MHz Frequency Stability :±0.005% Oscillation Mode:   PLL Modulation Deviation: 75KHz Audio Frequency Response: 100Hz-15KHz Signal to Noise Ratio: >85dB Dynamic Range: >100dB System Range: ≤0.5% Operation Range: 50M Operating Temperature...

http://www.rosstone.com/products/wireless-microphone-bw-900.html 2011-08-29T14:17:03Z

UHF wireless microphone, 1.special one by one design, 2.16 channels away from instructation 3. better OEM/ODM service UHF wireless microphone System Specification: Frequency Range:UHF 730-760MHz, UHF 736-806MHz Frequency Stability:±0.001% Modulation Mode:FM, UHF Modulation Deviation:75KHz Audio Frequency Response:100Hz-15KHz Signal to Noise Ratio:>80dB Dynamic Range:>100dB System Distortion:≤0.5% Operating  Range:50m Operating Temperature Range:-...