The Golden Portable PA is perfect for large meetings of up to 500 people. Control up to three different microphones (2 wire, 1 wireless) separately, as well as a master volume. The wireless mic is loud and clear to a distance of over 20m. Connect more then one Golden Portable PA together for extra large gatherings or surround sound. Available with tripod stand.
Amplifier Mic power amplifier : 3 mic inputs, 2 aux inputs, 1 aux output; fice led displays 70v, 100v and 4-16 ohm balanced outputs Automatic insertion of source and mute Separate volume control, hight/low sound adjustment Alarm and protection in case of short circuit Only the equipment as a pa system
Guitar amplfiier We are highly recommend you to purchase some samples you are interested to evaluate them before you placing a main order . If you let us know what samples you want to purchase , we will immediately send you a proforma invoice with our bank account via e-mail . We promise that we will strive to build mutual benefits with you for long lasting profitable business relationship . If you have any questionable things , please feel free to contact us . We need to communicate to build mutual trusts as business goes .
Professional amplifer Pa-50004+ stereo power 750 w x 28+ stereo power 500 w x 2bridged output 1500 wthd
Uhf 32 channel wireless amplifier 1. Uhf 700-960mhz professional channel 2. Lcd display af level, rf level, channel value, frequency value and battery life of transmitter and receiver. 3. Pll synthisized design, with high channel stability 4. Power off automatically under low voltage to protect inside accumulator 5. Pilotone & noise lock technology 6. Advanced smt technology to ensure the quality 7. Has got fcc approval
Audio and mobile accessories like headphones, bluetooth neckband, bluetooth speakers, true wireless earbuds, handfree, phone charger, data cable and mobile accessories.
Dynamic Strain Amplifiers ModelCJ3818D Channels4,8,16,32,64 Bridge Resistance60-10000 Input Range0 - ±50000 Output Range±5VP/5mA Noise3V StabilityZero ±0.1V/??; ±0.1%/F.S/2h Sensitivity±0.01%/F.S//??; ±0.1%/F.S/2h Bridge Voltage1,2,3,4,10VDC/50mA GainSteps100,300, 1000,3000 Accuracy±0.5% Nonlinearity0.1% FS Balance (Resistance: Within 1%)Auto: ±5000 Measurement ModeDC,AC,PK+,PK- Frequency RangeDC-300kHz Low-Pass Filter(-3dB,-12dB/OCT)30,100,300,1k,3k,10k,100k,300kHz Operating EnvironmentOperating Temperature: -10 to 50??; Humidity: 85% R.H. Power SupplyAC220V50Hz Dimensions(mm)499W Ã?177HÃ?377D Weight6.5kG Input/Ouput TypeInput:7-Pin Socket Output: LBNC
We supply metal structural bleacher system that suitable ourdoor, telescopic seating system, bleacher seating, stadium seating, stadium seating chairs.According to customer requirement, and depend on the site condition we supply 5 kinds of metal structural bleacher system, and 2 kinds of telescopic seating system
Optical communication products, optical fiber cables, optical transceiver modules, optical splitter adapter connectors, communication cables, power cables, power cable tool products, data communication equipment, video and audio transmission broadband multimedia equipment, computers and supporting equipment, power electronic products.
Professsional power amplifier manufacturer 2*1500w at 8ohms Also available at 4ohms and 2ohms using Suitable for outdoor events
100% Digital processing for exceponal sound quality Bluetooth Open-fit APP provided: -Volume control -Memory switch 2 channels WDRC amplifier 12 bands frequency shaping Low battery warning Open-fit design,easy operating Rocker Switch Wideband MPO Low current consumpon Advantages Digital open-fit Bluetooth
Audio Precision ATS-2 Audio Test Set Condition Used in good working condition Option: APIB/USB adapter
Main Feature: 1. Fashion front panel is made of brushed aluminums alloy; 2. Sturdy steel case can shield the electromagnetic interference from outside; 3. Strong multi-protection mechanism including radiating protection, short circuit protection and switch delay protection; 4. Powerful output capacity to achieve driving bass, mellow alto and clear treble; 5. Multistage power transmission combines H technology and topology will led to clear and driving sound, and reduces electric consumption; 6. Design of optimized switching power supply makes the amplifier smaller and easy to be installed; 7. High quality connectors guarantee perfectly signal transmission by firming conjunction; 8. It's suitable for large performance, pubs, KTV rooms and large conference rooms etc. Technical Specifications: 8O stereo(per channel) (1kHz(EIA)with 0.5%THD):2*800W 4O stereo(per channel) (1kHz(EIA)with 0.5%THD):2*1200W 8Obridge mono (1kHz(EIA)with 0.5%THD):2400W Voltage Gain: 5dB Total Harmonic Distortion(THD):< 0.5%,20Hz-20kHz Intermodulation Distortion(IMD):?0.35% Slew Rate:>10V/us Frequency Response (at 1 Watt): 20Hz-20kHz,+0/-1dB Damping Factor (8 O), 10Hz-400Hz >200 Signal-to-Noise Ratio (below rated power,20Hz -20kHz, A-weighted ): >100dB Crosstalk (below rated power) At 1 kHz At 20 kHz:-75dB -59dB Input Sensitivity for full rated power at 8O: 0.775V or 1.4V Input Impedance (nominal) Balanced / Unbalanced: 20kO / 10kO Input Connectors: Once balanced XLR per channel Output Connectors(Speaker Connectors): 4-POLE Speakon per channel Front Panel Controls: Power on/off switch, one gain control per channel Rear Panel Controls: Power on/off switch ,one gain control per channel Input sensitivity switch:0.775V or 1.4V Power Indicator Signal Indicator: One red LED of work, One green LED per channel Clip(peak) Indicator Fault Indicator: One yellow LED per channel, One red LED per channel Protection: Protection against short circuits, no-load, on/off muting, Rf interference. Stable into reactive or mismatched loads
Main Feature 1. Fashion front panel is made of aluminums alloy with metal wiredrawing craft surface treatment; 2. Sturdy steel case can shield the electromagnetic interference from outside; 3. Strong multi-protection mechanism including radiating protection, short, circuit protection, switch delay protection; 4. 4 channels output and 800W rated power of per channel can achieve driving bass, mellow alto and clear treble; 5. Multistage power transmission combines H technology and topology will led to clear and driving sound, and reduces electric consumption; 6. Design of optimized switching power supply makes the amplifier smaller and easy to be installed; 7. High quality connectors guarantee perfectly signal transmission by firming conjunction; 8. It's suitable for large stage performances, pubs, KTV rooms and conference halls etc. Technical Specifications 8O stereo(per channel) (1kHz(EIA)with 0.5%THD):4*800W 4O stereo(per channel) (1kHz(EIA)with 0.5%THD):4*1100W Frequency Response ref 1k: THD+N:20Hz-20kHz,+0/-1dB < 0.5%,20Hz-20kHz Voltage Gain: 38.3dB Intermodulation Distortion(IMD): ?0.35% Slew Rate: >10V/us Damping Factor (8 O), 10Hz-400Hz >200 Signal-to-Noise Ratio (20Hz -20kHz): >100dB Crosstalk (1 kHz, 20 kHz): -75dB -59dB Input Sensitivity for full rated power at 8O: 0.775V or 1.4V Input Impedance (nominal) Balanced / Unbalanced: 20kO / 10kO Input Connectors: Once balanced XLR per channel Output Connectors(Speaker Connectors): 4-POLE Speakon per channel Front Panel Controls: Power on/off switch, one gain control per channel Rear Panel Controls: Power on/off switch ,one gain control per channel Input sensitivity switch:0.775V or 1.4V Power Indicator Signal Indicator: One red LED of work, One green LED per channel Clip(peak) Indicator Fault Indicator: One yellow LED per channel, One red LED per channel Protection: Protection against short circuits, no-load, on/off muting, Rf interference. Stable into reactive or mismatched loads Ventilation: Flow-through ventilation form front to back Cooling: speed regulated ,thermal protection
Main feature: 1. Class d digital technology with high efficiency, save energy and run in low temperature. 2. Balanced input xlr stereo (two ways) has two modes for selection, one is stereo and the other is bridging. 3. Functions of independent limiting, overload, overheating will protect the circuit. 4. Using ntc soft start up and pfc automatic voltage regulator circuit, so that it can work in ac-90v-240v. 5. Every channel has protection function for over voltage, overheating and overload. 6. Automatic limiting function can prevent the speaker from being damaged. 7. The class d amplifier performs surprisingly with the driving bass. 8. Equipped with high quality imported components. Technical specifications: Noise:20hz-20khz Operation mode: knob control Channel:2 channels Stereo output power 8o:1000w+1000w Stereo output power 4o:1800w+1800w Stereo output power 2o:2000w Bridged output power 8o:3600w Bridged output power 4o:4000w Frequency response:20hz-20khz±1db Thd+n (10%-1khz): < 0.1% Sr:>20v/µs Noise insulation factor (1khz):>250 Dynamic range:=95db Snr: =95db Input sensitivity: 2vrms Input impedance: balance 20k / unbalance10k Power specification: ac 90-240v 50-60hz (±10%) Packaging info.: Net weight: 20kg Gross weight: 23.65kg Quantity/ carton: 5pcs Packaging details:carton with plastic bag inside Packaging size: 560(l)×280(w)×410(h)mm
Main Feature 1. Fashion front panel is made of brushed aluminums alloy; 2. Sturdy steel case can shield the electromagnetic interference from outside; 3. Strong multi-protection mechanism including radiating protection, short circuit protection and switch delay protection; 4. Powerful output capacity to achieve driving bass, mellow alto and clear treble; 5. Multistage power transmission combines H technology and topology will led to clear and driving sound, and reduces electric consumption; 6. Design of optimized switching power supply makes the amplifier smaller and easy to be installed; 7. High quality connectors guarantee perfectly signal transmission by firming conjunction; 8. It's suitable for large performance, pubs, KTV rooms and large conference rooms etc.
Main Feature: 1. Fashion front panel is made of brushed aluminums alloy; 2. Sturdy steel case can shield the electromagnetic interference from outside; 3. Strong multi-protection mechanism including radiating protection, short circuit protection and switch delay protection; 4. Powerful output capacity to achieve driving bass, mellow alto and clear treble; 5. Multistage power transmission combines H technology and topology will led to clear and driving sound, and reduces electric consumption; 6. Design of optimized switching power supply makes the amplifier smaller and easy to be installed; 7. High quality connectors guarantee perfectly signal transmission by firming conjunction; 8. It's suitable for large performance, pubs, KTV rooms and large conference rooms etc.
1. Brushed aluminum front panel with unique streamline design. 2. Perfect dynamic, comprehensive current limit, overload and chopped protection. 3. Intelligent-controlling fan for radiating. 4. Perfectly combine H technology and topology. 5. AI insert and SMT automatical technique for strict control the consistency of the products. 6. Adopt A class standard steel disc and fine copper high-powered toroidal transformer to achieve driving bass, mellow alto and clear treble. 7. Adopt original high-powered enthusiast Toshiba audio tube. 8. With USA branded twin tube, circuits is optimized to perfection. 9. Suitable for large stage performances, KTV rooms, pubs and conference rooms etc. Technical Specifications: RMS 8O/STEREO: 600W+600W 20Hz-20KHz 4O/STEREO: 1000W+1000W THD+N 0.1% 8O/BRIDGE: 2000W Frequency Response ref 1k20Hz-20KHz: ±0.2dB THD+N: < 0.1% SNR: 100dB Damping Factor : >200 SR: >20V/µs Gain RL 8O: 40dB Input Impedance: balance 20K / unbalance 10K Output Circuitry: 2-tier Class H AC Power: AC220V / 50Hz±10% Amplifier and Load Protection: Soft boot, DC, short circuit, over load, overheat, Clipping distortion Input CONNECTORS: Female XLR Type/ Male XLR Type Output CONNECTORS: NL4 Speakon socket, Binding post Controls and LEDs—Front Panel: Peak clipping, Signal, A&B Volume potentiometers, DC, Protection indicator Controls and LEDs—Rear Panel: Stereo, Splice, Bridging option switch, Bridging indicator, Sensitivity option switch, Grounding switch,30Hz HI-PASS switch. Cooling mode: Stepless automatic transmission cooling fan. Packaging Info.: Net Weight: 23.13kg Gross Weight: 26.13kg Quantity/ Carton: 1pcs Packaging Details: Carton with plastic bag inside Packaging Size: 485 (L)×510 (W)×105 (H)mm
1. Digital audio processor with function of loudspeaker’s. Partial function can be independently adjusted; 2. Microphone with two groups and twenty-two band parameters eq. Dual microphones adjustment; 3. Instead of wire connection, wi-fi adjustment is more advantageous (optional); 4. Drive-free usb connection for quick and convenient on-line; 5. Adopt 24 bit data bus and 32 bit dsp; 6. Music with fifteen band parameters eq. Music to main output highpass: 12db / 24db (0hz-303hz); 7. Microphone with twenty-two band parameters eq and compressor function; 8. Main output with ten band parameters eq and compressor; 9. Rear output with ten band parameters eq. Central output and sub output with seven band parameters eq; 10. Microphone with eight fbe level: one-eight; 11. Ten modes can be stored; 12. Microphone output, main output, central output, sub output and rear output with compressor and delay; 13. With system control mode and user mode. User mode cannot be stored after adjustment; 14. With music pitch function and coaxial and optical interface. Technical specifications: Snr: >80db Thd+n: Mic 110db Supply voltage: Ac 220v / 50hz
1. Three-way MIC input in front panel; 2. Protruding knobs for convenient use; 3. Adopt top digital reverb chip for a brand new singing experience; 4. Suitable for home, theater, KTV rooms and conference rooms etc. Technical Specifications SNR: MIC >80dB / MUSIC>100dB THD+N: MIC: 500mV RMS / MUSIC: 2V RMS Max input level: MIC >80dB / MUSIC >110dB Dynamic range: MIC: two-way dynamic MIC input, one way condenser Input Parameter: MIC input, MUSIC: 2 way RCA Output Parameter Balance XLR / unbalance one way 6.35 one way RCA TONE: MIC / MUSIC BASS,TREBLE Delay Time: 200mS MAX Music Channel resolution: >90dB POWER: 5W
