牙科设备

领东企业有限公司

 Mini Audio Amplifier  	 Case Material:&nbsp;Aluminum Alloy&nbsp; 	 DC In: 12V 3A 	 DC Output: 12V 1A 	 Speaker Jack: 2 (11W) 	 Wire Microphone Jack: 2&nbsp; 	 Line In: 1 	 Line Out: 1 	 Master Volume Control: Yes 	 Microphone Volume Control: Yes 	 Line Out Volume Control: Yes 	 Product Dimension:&nbsp;155 x 120 x 55mm 	 Product Weight: 585g  

Mini Audio Amplifier

Amazing-Pro Electronic Limited

 	 6-Channel Amplifier System 	 Built-in Bluetooth for Wireless Audio Streaming 	 FM Radio Tuner with Digital LED Display 	 Independent channel volume control 	 USB / SD player  

6 CH Amplifier

瑞扬电子有限公司

PA Amplifier with 5 Mic inputs, Mic talk-over function USB/SD Card Readder 4ohm/8Ohm/70V/100V Outputs LCD ith ID3 Tag Readout

Public Address Amplifier

思诺科创公司

  Production Information :   	 Output Power: 20W 	 Speaker: 6.5&quot; 	 Effects: Overdrive 	 Functions: Input, Gain OD S/W Volume 	 Treble Middle Bass, Headphone 	 Dimensions: 37 x 20 x 31cm  

Portable Audio Guitar Amplifier - Treble Middle Bass - Acoustic Ukulele Speaker 

 PROFESSIONAL PUBLIC ADDRESS AMPLIFIER w/BT/MP3(USB/SD)/LED DISPLAY 

  Functions and Features:   	 Voice Priority/ Talk-over Function 	 Speaker Output&nbsp;at 4ohm/8ohm/70V/100V output 	 Frequency Response: MIC: 80Hz-15Khz (&plusmn;3dB) 	 AUX: 45Hz-18Khz (&plusmn;3dB) 	 T.H.D(@1Khz, rated output): &lt;0.3% 	 S/N Ratio: MIC: MIC: &gt;72dB AUX: &gt;80dB 	 Input Sensitivity: MIC: 22mV AUX: 130mV&nbsp; 	 Power supply: AC 110V/60Hz and 230V/50Hz Switch  

Professional Public Address Amplifier /MP3 Player

  Home Fever Audio Stereo Professional Hifi Pure Power Amplifier High-Power AMP With Balanced Output
AMP70 -&nbsp;Audio Power Amplifier  

 Technical Features:  	 Adopting Transconductance Current Mode Technology 	 High Resolution, Wide Sound Field, Accurate Positioning, Transparent Background, Objective and Rational Speed Sense, Vocal Music, 	 The Outline of&nbsp; Instrument Is Clear, Notes Are in Place 	 Super Low Frequency Control, Sound Neutral and Hearing-Resistant: Mono Balanced Amplifier Design, Perform Strong Dynamic scenes &quot;Magnificent&quot;! 	 Distortion THD: Balanced Output 0.002%,1Khz,20W;&nbsp;Unbalanced Output 0.015%,1Khz,10W 	 Output Power: Balanced Output 1X900w/42,600w/82@1KHZ,10% ; Unbalanced Output 2X300W/40,150W/82@1KHz,10% 	 Frequency Response :Balanced Output 5HZ-320KHZ ; Unbalanced Output 5HZ-220KHz -3木dB 	 Conversion Rate: Balanced Output 550V/uS ; Unbalanced Output 330V/uS 	 Brand : TECKON 	 Place of Origin: &nbsp;Guangdong, China 	 Out Put Power: 900W 	 Response frequency: 5Hz-320Hz 	 Material&nbsp; Type: Aluminum Alloy 	 Model Number: AMP-70 	 Style: HIFI AMP 	 Distortion: 0.002% 	 Sensitivity: &ge;105dB 	 Power Supply: 220V AC 	 Size: 430*430*135mm 	 Weight: 18Kg  

Home Fever Audio Stereo Professional Hifi Pure Power Amplifier

  Features:   	 Built-in Bluetooth for Wireless Audio Streaming 	 Full Function Remote Control Showing Mode Play Status 	 Digital LED Display Showing MP3 / BT / AUX Mode Playing Status 	 3.5mm AUX Input 	 (2) 1/4&#39;&#39; Microphone Input Jacks&nbsp; 	 USB Flash Drive &amp; SD Memory Card Readers 	 USB Port Doubles as Device Charge Port 	 Line Echo / Bass / Treble / MIC1 /&nbsp; MIC2 / Music / Masters Rotary Controls 	 Selectable Audio Input (AUX1, AUX2, BT / USB / SD) 	 (4) Pairs of Push Type Speaker Output Connectors 	 RCA (L/R) AUX1, AUX2 Input Connectors 	 RCA (L/R) REC Output Connectors 	 Built-in Short Circuit and Over Voltage Protection 	 Perfect for Home, Office, School, Church or Business Use  ​  Parameter:   	 MP3 Format: MP3 / WMA / WAV / FLAC / APE 	 Input Sensitivity: 180mV 	 Signal to Noise Ratio: 84dB 	 Frequency Response: 20Hz-20KHz 	 Power Supply: AC 220V / 50Hz  

Compact Audio Source Power Amplifier

King Line Technology Co., Limited

&bull; Easily connect a wired chat and stereo headset to PlayStation 4
&bull; Built-in amplifier
&bull; Support Gaming and MP3 Audio Device

Audio Amp Lite

科泰实业有限公司

Highlighted here is an AV receiver with an aluminum panel and VFD display. It is equipped with a high power transistor inside to ensure high performance. This AV receiver flaunts a classy and professional design and is great for upgrading your entertainment system.

Features: 	 Aluminum panel, VFD display.&nbsp; 	 Use high power transistor inside amplifier to ensure high performance. 	 100W x 7 CH (RMS, THD 0.7%@8 ohm). 	 HDMI/4K (2160 x 3840). 	 On screen display (OSD). 	 32 bit DSP (TI) decoding: Dolby TrueHD / Dolby Digital Plus / Dolby Digital /DTS-HD Master Audio / DTS ES.&nbsp;&nbsp;&nbsp; 	 Level adjustment for each channel. 	 Bass management. 	 Speaker distance/level auto-setup. 	 Each channel has 10 band to adjust PEQ. 	 Each band can adjust frequency/level/QL. 	 L/R channel balance adjustment.&nbsp;&nbsp;&nbsp; 	 Input sensitivity: 250 mV.&nbsp; 	 Input impedance: 47k ohm.&nbsp; 	 Dolby high performance Class A. 	 Full function remote control. 	 Power consumption during standby mode: &lt;0.5 W and auto power down (comply with EUP standard).&nbsp; 	 Classy and professional design. 	 Great for upgrading your entertainment system.  

Specifications: 	 100W x 7 CH (RMS, THD 0.7%@8 ohm). 	 Signal / noise ratio: 100 dB / 1K (A weighted). 	 Total harmonic distortion: &lt;0.009% (V in=200 mV, 1 W output). 	 Frequency range: 20 Hz &ndash; 60 kHz (stereo direct mode). 	 Audio analogue input sensitivity. 	 Impedance: 250mV / 47k ohm. 	 Video input sensitivity / impedance: 1Vp-p / 75 ohm.  
Terminals: 	 HDMI: 6 in, 2 out.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 	 Analogue composite: 3 in, 1 out. 	 SPDIF in: optical 2, coaxial 2. 	 Bluetooth digital: 1. 	 Internal build in or external module (optional). 	 Speaker output: 7 CH. 	 7.2 pre out, 2 subwoofer out (after Dolby DTS decoded).&nbsp;&nbsp; 	 Analogue audio input: 4 sets (RCA).&nbsp; 	 Record out L/R: 1 set. 	 &Phi;6.5mm headphone out: 1 . 	 &Phi;3.5mm MIC IN speaker (auto-setup).  
Tuning range: 	 FM 87.5 MHz - 108 MHz.&nbsp; 	 Auto or manual station search.&nbsp; 	 Auto preset search.&nbsp; 	 FM preset 20 stations.&nbsp; 	 Sensitivity: 1 &mu;V (30dB S/N).&nbsp; 	 THD: FM 0.7%. 	 Signal / noise ratio: FM 65 dB.&nbsp; 	 Antenna input: FM 75 ohm unbalance. 	 Main voltage: 220-240V~ 50Hz.  

AV Receiver

 	 4 Channel Audio Amplifier, 	 USB/SD Readers/ FM radio, 	 Built-in Bluetooth for Wireless Audio Streaming 	 Microphone Talk-over Button 	 Microphone Echo Rotary Controls 	 Independent Channel&nbsp;Rotary Volume Controls  
&nbsp;

4 Channel Amplifier

  Production Information :   	 Product Category : Audio Guitar 15W Amplifier with 3 Brand Equalizer Master AC OUT 	 Model : Jungel-15, 	 Out Power : 15W 	 Speaker : 8&Prime; 	 Effect : Overdrive , Gain 	 Function : &nbsp;Input ,Gain ,volum ,3 Brand EQ , Master AC OUT,&nbsp;11 Amp Mode ,Tap ,Tuner ,3 Preset Mode ,4 Effect Mode ,&nbsp;(Chorus ,Flanger,Phaser,Tremolo ) , Delay , Echo, Room, Hall, Phones, Aux in , DC Input&nbsp; 	 N.W. : 6.5KGS 	 Dimensions : &nbsp;36cm x 20cm x 33cm  

 Portable Audio Guitar 15W Amplifier with 3 Brand Equalizer Master AC OUT

  Production Information :   	 Product Category : Audio Guitar 60W&nbsp;Amplifier with 3 Brand Equalizer Headphone Output 	 Model : PAN-60, 	 Out Power : 60W 	 Speaker : 12&Prime; 	 Effect : Overdrive , Gain 	 Function : Input, Clean: Volume, Channel 	 Selection, Overdrive: Gain ,3 brand EQ, 	 Reverb, Aux in, Headphone Output 	 N.W. : 17KGS 	 Dimensions : 52*28*48CM  

Portable Audio Guitar 60W Amplifier with 3 Brand Equalizer and Headphone Output

  Production Information :   	 Product Category : Audio Guitar 15W Amplifier with 3 Brand Equalizer Headphone Output 	 Model : PAN-15, 	 Out Power : 15W 	 Speaker : 8&Prime; 	 Effect : Overdrive , Gain 	 Function : Input, Clean: Volume, Channel 	 Selection, Overdrive: Gain ,3 brand EQ, 	 Reverb, Aux in, Headphone Output 	 N.W. : 6.5KGS 	 Dimensions : 34x 18 x 32 mm  

Portable Audio Guitar 15W Amplifier with 3 Brand Equalizer Headphone Output

  Production Information :   	 Out Power :20W 	 Speaker:8&quot; 	 Function:input , clean channel (volume) 	 Drive channel (gain, volume,4 drive model select switch &quot;overdrive, 	 Drive ,metal,heavy metal) 3 band EQ ,spring reverb 	 Aux in ,footswitch(channel/drive), headphone output . 	 N.W.:8.5KGS 	 Dimensions: 34*22.5*34CM  

Portable Audio Guitar 20W Amplifier with 3 Brand Equalizer Spring Reverb with Headphone Output

  Production Information :   	 Product Category : Audio Guitar 30W Amplifier with 3 Brand Equalizer Master AC OUT 	 Model : Jungel-30, 	 Out Power : 30W 	 Speaker : 10&Prime; 	 Effect : Overdrive , Gain 	 Function : &nbsp;Input ,Gain ,volum ,3 Brand EQ , Master AC OUT,&nbsp;11 Amp Mode ,Tap ,Tuner ,3 Preset Mode ,4 Effect Mode ,&nbsp;(Chorus ,Flanger,Phaser,Tremolo ) , Delay , Echo, Room, Hall, Phones, Aux in , DC Input&nbsp; 	 N.W. : 9.5KGS 	 Dimensions: 39.5cm x 20cm x 36cm  

Portable Audio Guitar 30W Amplifier with 3 Brand Equalizer Master AC OUT

  Production Information :   	 Output Power: 5W 	 Speaker : 4&quot; 	 Functions: Input,Volume ,Tone 	 On/off Drive ,Headphone, DC9V Battery&nbsp; 	 Dimension : 22*9*17CM  

Portable Audio Guitar Amplifier - Acoustic Ukulele Speaker

  Product Information :   	 Product Category : Audio Guitar 30W Amplifier with 3 Brand Equalizer Headphone Output 	 Model : PAN-30, 	 Out Power : 30W 	 Speaker : 10&Prime; 	 Effect : Overdrive , Gain 	 Function : Input, Clean: Volume, Channel 	 Selection, Overdrive: Gain ,3 brand EQ, 	 Reverb, Aux in, Headphone Output 	 N.W. : 9.5KGS 	 Dimensions : 40x 21 x 38 cm  

Portable Audio Guitar 30W Amplifier with 3 Brand Equalizer Headphone Output

Displayed here is a stereo amplifier with a brushed metallic toned housing in rectangular shape. It has a VFD display and comes with a remote for control. This stereo amplifier supports Bluetooth connectivity and can stream music from your smartphone or other devices.

Features: 	 VFD display. 	 V1: stronger current output toroidal transformer. 	 V2: high efficient SMPS. 	 Bass/treble +/-10dB tone control. 	 Balance control: 	 Wireless stereo Bluetooth module (48 k 24 bit digital out). 	 USB: audio playback and mobile phone charge. 	 Source inputs: tuner, phono, BD/DVD, CD, AUX, USB, Bluetooth, EQ. 	 Analog audio output: record out. 	 Remote system control. 	 Surround expansion effect (connected to 4 speakers). 	 Rectangular shape. 	 Brushed metallic toned housing. 	 Ventilation holes on top. 	 Excellent sound quality. 	 Great for streaming music from your smartphone or other devices.  
Bluetooth module features and specifications: 	 Sampling rate: 44.1 k or 48 k/24 bit (I2S or SPDIF). 	 THD: 0.003% at 1 k. 	 S/N: 95 dB. 	 Frequency range: 20 Hz-20 kHz, &plusmn;0.5 dB (MP3 frequency response below 16 kHz). 	 Remote handset control mobile phone through Bluetooth: play/pause, skip, disconnect. 	 Transmission distance: over 10 M (barrier free). 	 Bluetooth size: 49.6 (L) x 29 (W) x 13.8 (H) mm. 	 Bluetooth &ldquo;aptx&rdquo; option (charge royalty fee).  
Specifications: 	 V1 100W x 2CH (RMS, 6 ohm, @10%THD). 	 80W x 2CH (RMS, 4-6 ohm, @1%THD) (20Hz-20 kHz). 	 V2 50W x 2CH (RMS, 4-6 ohm, @1%THD) (20 Hz-20 kHz), SNBS. 	 Signal/noise ratio: 94 dB (A weighted). 	 Total harmonic distortion: &lt;0.01% (Vin: 200 mV, 1 W output). 	 Frequency response: 20 Hz &ndash; 60 kHz. 	 Channel separation: &gt;70 dB. 	 Audio analogue input sensitivity/impedance: 200 mV/47 kohm.  
Tuner: 	 FM 87.5 MHz-108 MHz. 	 Sensitivity: 1 uV (30 dB S/N). 	 FM preset 30 stations. 	 THD: FM 0.7%. 	 Signal/noise ratio: FM 68 dB. 	 Antenna input: FM 75 ohms unbalance.  
Optional: 	 HDMI 4 in, 1 out.  
General: 	 Main voltage: 120V~60Hz or 220-240V~50Hz.  

Stereo Amplifier

PARK FORTUNE ELECTRONICS LIMITED

CAROL Bluetooth Amplifier_BTM-311VH

The BTM-311VH is a multifunctional Bluetooth amplifier with Class D technology, allowing you to wirelessly recording video and audio from your microphone, smart phone, tablet or laptop. It is equipped with dual video output (HDMI/VGA) and supports multiple speakers hookup to optimize listening experience. This devices features adjustable bass and treble for customizable sound. It is a great option for meeting, lecture, home entertainment and education institution with its black and silver chassis design.

CAROL Bluetooth Amplifier

耀发电子有限公司

Keep abreast of the rapidly changing world with this portable radio. The wooden radio receives FM frequencies steadily to keep you updated with the latest local and international news at all times while the built-in Bluetooth function allows you to stream your favorite tracks directly off your smartphone.
&nbsp; 	 Material: wooden. 	 Wooden FM radio with speaker functions. 	 Bluetooth-enabled speaker for wireless music streaming. 	 Support aux in and hands-free functions. 	 Simple button panel for direct access to all functions. 	 Battery capacity: 1200 mAh (rechargeable). 	 Unit size: 20 x 11 x 11.2 cm. 	 Color: yellow, blue, red or customized.  

Wireless Radio Speaker

广州市奥迪诗音响科技有限公司

The speaker woofer in this picture features a set of quality voice coils to make crystal-clear sound. The cone is rubberized to improve durability. This speaker woofer is a great enhancement to be applied in speaker boxes.
 
  With an injection V-cone. 
  Big round type rubber edges. 
  Dual 4-Ohm heavy-duty voice coils. 
  Dual large-amplitude and high-power magnets. 
 

Speaker Woofer

  Features:   	 DC Protection: protects the loudspeakers against infrasonic signals 	 High Frequency Protection: protects the loudspeakers against strong very high frequency non-musical signals above the audible range 	 Thermal Protection: shuts down the power supply if the line voltage is outside the operating voltage 	 Short Circuit Protection: protects the amplifier from the output fault 	 Clip Limiter: Prevents severely clipped waveforms from reaching the loudspeakers while maintaining full peak power. 	 Sound for a given input signal level. 	 The maximum input gain is achieved by turning the control completely clockwise. 	 4&Omega; Stereo Output Power :4 x 50W 	 8&Omega; Bridge Output Power: 4 x 100 W 	 Damping Factor:&gt; 600 	 Input Impedance:&gt;10k&Omega; 	 Input sensitivity:775 mV / 0 dB 	 Frequency response:20 Hz ~ 20 KHz distortion 	 S/N ratio:&gt; 98dB  

1U Slim Class D Switching Power Amplifier

This Class D power amplifier is professionally manufactured for guaranteed performance. It features variable low-pass and high-pass crossover filters, a tri-mode output configuration, a high-efficiency power supply, 2-ohm stable circuits, and anti-radio-interference capabilities. The built-in protection against short circuits, overloading and over-voltage&nbsp;ensures ultimate user safety.&nbsp;

 
  Polished finish. 
  Compact and lightweight design. 
 

Class D Power Amplifier

The power amplifier is built with a durable housing to endure high voltage input and output. It is installed with a circuit protector to prevent overload and overcharge. This power amplifier is a great stabilizer to be installed in electric appliances.
 
  1 Ohm stable circuits. 
  Variable low pass electronic crossover. 
  Extra heavy heat sink for better dissipation. 
  Thermal, short-circuit, overloading protection. 
 

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