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F mp3 songs to portable usb and sd mass storage devices such as mp3 players and usb flash drives
Mobile trolley design - wheels, retractable tow handle and side handle horizontal
Weatherproof, rugged abs housing
Suitable for stand mounting
Stackable series
Connections: 1 x usb, 1 x sd input, 2 x 6.3 mm jack, microphone input, 1 x rca stereo line input, 1 x 12v terminal connection
Playable formats: mp3, wma
Frequency wireless microphones: 174-270mhz
Mp3-control section, with a backlit lcd display and repeat function
2-band equalizer - bass and treble adjustable
Adjustable echo effect
Mic section with removable telescopic antennas, separately adjustable microphone volume, master volume and microphone operation leds
Adjustable master volume
On and off switch on the microphone
Microphone priority function
Sensitivity: 97db
Frequency response: 40hz to 20khz
Mute
Microphone power supply: 9v battery
Power box: 230v, 50hz
34 x 58 x 31cm (w x h x d)
Weight: 13.6 g


Standard packing

output power: 60W
output mode: 4-16ohm/70v/100v
with USB/SD & FM function
remote control
with BLUETOOTH function
independent control or left and right sound volume
2 MIC input
Panel size(LxH): 28x 6.5(cm)
Size:280*205*65mm

Best application assistant for real-time digital simulation system
With around 13 various power amplifier models and countless customized solution models, ponovos power amplifier could be able to suit for different real-time simulation sysmtem application requirements.

Long Pulse Single Frequency PM Fiber Amplifiers for DWDM transmission system

We will try our best to provide products similar to keopsys fiber amplifier like CEFA-C-WDM-LP fiber amplifier and CVFA fiber amplifier, NKT Photonics fiber amplifier like X15/E15/C15/Y10 signal-frequency lasers, NP Photonics fiber amplifier like the Rock Fiber Laser Module and the Rock Table- Top Fiber Laser Source, IPG Photonics fiber amplifier like GLR CW green fiber laser, VLM visible fiber laser and Yeetrbium CW fiber laser, and BKtel Photonics fiber amplifier.

You probably see us at following exhibitions: SPIE Photonics West in USA, Photonica in Russia, OPTO Taiwan, LASYS in Germany, OPIE in Japan and so on.

Parameter unit Specification
Min Typ. Max
Part No CKLIA-1550-M-SF-LP
Center wavelength nm 1540 1550 1565
Peak power W - - 500
Pulse energy uJ 100
Pulse width ns 200
Repetition rate kHz 20
Output average power W 2.0 - -
Beam quality M2 1.3 1.5
Output power stability1
ï¼?8hoursï¼? % - 1 2
Output isolation dB 35 - -
SMSR dB 20 35
Input signal average power uW 30 100
Power supply VDC 24
Operating temperature -35 - 65
Storage temperature -40 - 85
Output fiber type PLMA-GDF-25/300-M
Core NA 0.09
Output fiber length m >0.3
Output fiber connector FC/APC or collimator
3-port circulator On request
Dimension mm 300(L)X170(W)X25(H)
1. The output power stability is measured under 25ï¼?30 minutes after warm-up;
2. For more information about integrated 3-Port Optical Circulator, please contact
with us

1. Splendid color display, display the overload protection, current speed gears of fan, audio signal, voltage of AC, connection mode.
2. Brushed aluminum front panel with unique streamline design.
3. Perfect dynamic, comprehensive current limit, overload and chopped protection.
4. Intelligent-controlling fan for radiating.
5. Perfectly combine H technology and topology.
6. AI insert and SMT automatical technique for strict control the consistency of the products.
7. Adopt A class standard steel disc and fine copper high-powered toroidal transformer to achieve driving bass, mellow alto and clear treble.
8. Adopt original high-powered enthusiast Toshiba audio tube.
9. With USA branded twin tube, circuits is optimized to perfection.
10. Suitable for large stage performances, KTV rooms, pubs and conference rooms etc.;
Technical Specifications
RMS 8O/STEREO: 900W+900W
20Hz-20KHz 4O/STEREO: 1400W+1400W
THD+N 0.1% 8O/BRIDGE: 2800W
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 CONNECTOR: Female XLR Type/ Male XLR Type
Output CONNECTORS: NL4 Speakon socket, Binding post
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: 31.1kg
Gross Weight: 35.73kg
Quantity/ Carton: 1pcs
Packaging Details: Carton with plastic bag inside

1. Splendid color display, display the overload protection, current speed gears of fan, audio signal, voltage of AC, connection mode;
2. Brushed aluminum front panel with unique streamline design;
3. Perfect dynamic, comprehensive current limit, overload and chopped protection;
4. Intelligent-controlling fan for radiating;
5. Perfectly combine AB technology and topology;
6. AI insert and SMT automatical technique for strict control the consistency of the products;
7. Adopt A class standard steel disc and fine copper high-powered; toroidal transformer to achieve driving bass, mellow alto and clear treble;
8. Adopt original high-powered enthusiast Toshiba audio tube;
9. With USA branded twin tube, circuits is optimized to perfection;
10. Suitable for stage performances, KTV rooms and conference rooms etc;

Technical Specifications:
RMS 8O/STEREO: 500W+500W
20Hz-20KHz 4O/STEREO: 800W+800W
THD+N 0.1% 8O/BRIDGE: 1600W
Frequency Response ref 1k20Hz-20KHz: ±0.2dB
THD+N :< 0.1%
Damping Factor : >200
SR : >20V/µs
Gain RL 8O : 37dB
Input Impedance : balance 20K / unbalance 10K
Output Circuitry: Class AB
AC POWER: AC 220V /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—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.

1. Splendid color display, display the overload protection, current speed gears of fan, audio signal, voltage of AC, connection mode.
2. Brushed aluminum front panel with unique streamline design.
3. Perfect dynamic, comprehensive current limit, overload and chopped protection.
4. Intelligent-controlling fan for radiating.
5. Perfectly combine H technology and topology.
6. AI insert and SMT automatical technique for strict control the consistency of the products.
7. Adopt A class standard steel disc and fine copper high-powered toroidal transformer to achieve driving bass, mellow alto and clear treble.
8. Adopt original high-powered enthusiast Toshiba audio tube.
9. With USA branded twin tube, circuits is optimized to perfection.
10. Suitable for large stage performances, KTV rooms, pubs and conference rooms etc.
Technical Specifications
RMS 8O/STEREO: 1300W+1300W
20Hz-20KHz 4O/STEREO: 1900W+1900W
THD+N 0.1% 8O/BRIDGE: 3800W
Frequency Response ref 1k20Hz-20KHz: ±0.2dB
THD+N: < 0.1%
SNR: 102dB
Damping Factor: >200
SR: >20V/µs
Gain RL 8O: 42dB
Input Impedance: balance 20K / unbalance 10K
Output Circuitry: 3-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—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: 34.5kg
Gross Weight: 37kg
Quantity/ Carton: 1pcs
Packaging Details: Carton with plastic bag inside
Packaging Size: 474*481*132mm

Best application assistant for real-time digital simulation system
With around 13 various power amplifier models and countless customized solution models, ponovos power amplifier could be able to suit for different real-time simulation sysmtem application requirements.

F600 Power Amplifier Key Feature:
* 2/3U high, heavy duty steel chassis
* Modular construction for easy servicing
* Symmetrical layout for even weight distribution
* High efficiency toroidal power transformer
* Oversized, high energy, linear power supply
* 3 steps, Class H Audio topology
* Stereo, parallel or bridged operation
* Twin balanced inputs (Neutrik XLR connectors)
* Dual Speakon and Binding posts outputs
* High quality components used throughout
* Dual, continuously variable speed fans
* Efficient two sides cooling, the efficiency is better than back to front cooling
* Active, signal, protect and critical indicators
* Duraluminium, 8mm thick front-panel
* Unobtrusive carrying handles
* Voltage Gain: 35 or 40 dB .

Specification:
8ohms Stereo Power(RMS): 2X300W
4ohms Stereo Power(RMS): 2X462W
8ohms Bridged Power(RMS): 968W
Frequency Response(+o/-0.3dB, 1W/8ohms: 20Hz-20kHz, -3dB@135kHz
Power Bandwidth(rated power at 4ohms 1%THD+N): 20Hz-20kHz, -. 1.1dB/+0dB
TourClass Protection: ACL, IGM, AutoRamp, short circuit, DC voltage, turn-on/off transient, current inrush, sub/ultrasonic input
THD+N (1kHz 1W ): -60dB
Voltage Gain (rated power @ 8Ic): X35dB
Input Sensitivity (rated power at 8Ic): 0.97V
Input Impedance (balanced/unbalanced): 20KIc/10KIc
S/N Ratio ("A"weighted, full power at 4ohms): 99dB
Crosstalk ("A"weighted, full power@4ohms): >-63dB
Class: 3 Step H
Input Connectors (per channel): Female XLR (pin 2+, configurable for pin 3+). TRS (tip+)
Output Connectors (per channel): 5-way binding posts or Speakon connectors (market dependent)
Supply Power: 1320W
Power Supply (factory configured): AC220V/230V, 50-60Hz
Cooling: Two side panel variable speed DC fans, better than conventional cooling
Controls: Front panel: 2 attenuators, power switch; Rear panel: Signal ground lift & mode switches.
LED Indicators (per channel): Signal, Protect, Active, Critical
Construction: Steel chassis, 16 gauge. Casting Aluminum front panel.



Dimensions (HXWXD): 88X483X480mm (2U)
Net Weight: 19.2kg
Gross Weight: 23kg.

* 1400 W continuous program power capacity
* 97dB Sensitivity 1w/1m
* 37Hz ~1800Hz frequency response range
* 4" inside/outside voice coil with OFC(Oxygen-free Copper) wire for improved power-handling and durability
* Optimized winding length for extended Xmax
* Forced air ventilation and 14mm top plate for minimum power compression
* Ideal for compact bass-reflex subwoofer application:

1. Nominal Diameter: 18 inch
2.Rated Impedance: 8 ohm
3.Nominal Power handling: 700 watts
4.Program Power: 1400 watts
5.Sensitivity(lw/lm): 97 db
6.Frequency Range 37-1.8 k hz
7.Minimum Impedance(Zmin) : 6.9 ohm
8.Voice Coil Diameter : 4 inch.


13 net weight.

1. FM/AM stero controlling modulation

2. Using TOSHIBA TA8127N IC

3. Without screen cover, fulfill electromagnetic compatibility demand.

4. Playback super-DVD disk, the number of single disk could be over eight
hours.

5. 3000 pcs KARAOKE song without changing disk, also support USB function without disk playback.

6. During playback MP3 disk, the system can remember the fixed MP3 playback sequence without power supplying.

7. Digital multiplication of AV to VGA mode to realizing video signal transferring completely.

8. The algorithm of combination in software and hardware to realizing one by one scan function

9. with colorful XP Chinese and English pop-ups menu, iconic design.

10. Fully support DOLBY AC-3, compatibility with HDCD and other digital video form.

11. Playback with MP3 and JPEG simultaneously.

12. Compatibility with SUPER-DVD, SVCD, VCD, DVCD, MP3,CD, HDCD and CD-R/RW disk.

13. Can imitate the output mode of concert hall, theater and athletic fieldí»s sound effect

14. Music dynamic spectrum-super-sonic function.

15. Interlock function for the controlling key.

16. Cassette has recorder and playback function.

17. With Guitar input jack.

18. Wireless microphone inside.

19. Automatic exchange for AC 220V/50HZ and DC12V34A (rechargeable battery) supply, and car power supply function.

20. The max power is 120W, continuously playback with music in 3-8 hours.

Detailedú¦
1. SMD electronic hardware,SMT technologyical maintain high quality.
2. Corrar clip transmitter,high sensitivity,prevent howling,clear timbre.
3. Quartz surge circuitry,steady frequency without disturbance.
4. 65 group VHF 180-265MHz.no disturbance in frequency,have large scope for selection.
5. Two kind of power to choose:built-in rechargeable battery,external 12V DC.
6. When use the DC sudden power off,embedded storage battery auto-work.
7. Wire and wireless microphone loadspeaker.
8. With digital reverberation.
9. Collar clip microphone and handhoid microphone for your choice.
DVD function.

Amplifier
Parameters unit p-pa1200 p-pa1500 p-pa2500 p-pa3500
Output power stereo @ 8 ohm watt 2x400 2x550 2x700 2x1000
Output power stereo @ 4 ohm watt 2x600 2x800 2x1100 2x1500
Output power bridged @ 8 ohm watt 1000 1500 2000 2800
Frequency response hz 20hz-20khz; +0.1/-0.3db (1w / 8 ohm)
T.H.D db <0.1%@350w into 8+(60hz&7khz) <0.1%@550w into 8+(60hz&7khz) <0.1%@700w into 8+(60hz&7khz) <0.1%@1500w into 8+(60hz&7khz)
Voltage gain 68x standard 86x standard 97x standard 110x standard
Slew rate v/us 40v/us
Input impedance oh 20k ohm, balanced
10k ohm, unbalanced
Hum and noise db -103db
Cross talk db <60db
Indicators (per channel) temp/dc led, clip led, signal led, power led, bridge led
Protection temperature, /dc, sub/ultra -sonic, sonic, short circuit, igm, output
Connections 3-pin xlr female & 1/4÷ phone jack for input; speakon & banana plug for output
Cooling 2 variable speed dc fans
Controls 2 front pan attenuators, rear panel signal ground lift jumper

Dimension (unpacked) mm 133x483x450 133x483x450 133x483x510 133x483x510
Carton size mm 235x545x545 235x545x545 235x545x605 235x545x605
Net weight (unpacked) kg 24 25 31 34
Gross weight kg 25 26 32 35
Pcs / 20" cl pcs 400 400 359 359
Pcs / 40" cl pcs 829 829 744 744
Pcs / hq cl pcs 971 971 872

Chemcial name: Glycolic acid

Another name: alpha-Hydroxyacetic acid

Standard: Technical grade
CAS NO.:79-14-1
EINECS: 201-180-5
Molecular Fomula: C2H4O3
Structural formula:

Molecular Weight: M=76.05
Assay:70%;99%
Application:Cosmetics Personal Care
Capacity:10000MT/Year
Sample: available


1. Cosmetics Personal Care

2. Hard Surface Cleaner

Glycolic Acid is the organic of choice for cleaning unmovable surfaces.

3. Industrial Water Boiler System Cleaners

Glycolic Acid removes hard water scale deposits by forming water soluble complexes which are easily rinsed away.

4. Laundry Sours

Glycolic Acid is the dependable, flexible liquid sour required by modern laundry systems.

5. Metal Cleaning Finishing

Glycolic Acid is highly effective for copper and aluminum finishing and metal cleaning applications.

6. Disinfecting Formulations Applications

Used for manufacturing active ingredient use in liquid disinfecting formulations

* 800 W continuous program power capacity
* 97dB Sensitivity 1w/1m
* Smooth requency response up to 4.0kHz
* 3" high temperature voice coil with fiberglass former
* Triple roll surround and exponential cone geometry
* Ideal for high quality compact 2 or 3-way systems:

1. Nominal Diameter : 15 inch
2.Rated Impedance : 8 ohm
3.Nominal Power handling: 400 Watts
4.Program Power: 800 Watts
5.Sensitivity(lw/lm): 97 dB
6.Frequency Range: 33~4.0k Hz
7.Minimum Impedance(Zmin): 6.8 ohm
8.Voice Coil Diameter: 3 inch.

The modules are with features of excellent linearity, extremely low noise, very excellent flatness, standard catv outline, rugged construction etc.

Amplifier