Power acoustic amplifier

4 IN ONE Multifunctional LED night light Bedside Lamp Touch + Speaker Bluetooth 4.0 +Pass Calls, bedside lamp compatible with any Bluetooth device: Android,Tablet, etc... up to at 10 meters distance. Multicolor Table Lamp Mode Touchscreen Bluetooth Bedside Lamp Control 3 Lighting Modes: White Light (3 Levels: Low, Normal and High), 7 Color RGB Change, LED Night Light Multicolor Flashing. The Bluetooth speaker automatically reconnects to the last device used, and the bluetooth lamp turns on and off by touching the upper mesh to change the color of the lights There is a hook at the bottom of the touch led bedside lamp, the manual in French, easy to carry Portable Speaker Light Feature Bluetooth Speaker Feature Micro SD Card, Aux Line-in & Bluetooth Hands-free Mode Feature Warm Light Mode Music playing Portable and Enjoyment Audio Input: AUX, Micro SD-Card Color: White Power Supply: DC 5V /500mA Battery: DC 3.7 V Frequency: 50HZ~20KHZ Product Size: (L) x (W) 4 x 5 inch

Product details of PAM8610 15W + 15W Two Channel Stereo Class D Amplifier Board Supply voltage: DC 7V-15V 2. Output power: 10w + 10w (8 load) 3. Efficiency: 90% 4. Shutdown Current: 4uA 5. Quiescent current; 20mA 6. SNR: 86% 7. Total harmonic distortion: 5W / 1KHz / 8 ---- 0.1% 8. Frequency range: 20Hz-20KHz 9. Input impedance: 15K 10. Output Impedance: 4-8 11. Amplifier board size: 30mm * 25mm * 2.5mm 1. The power supply voltage limit is 16.5V, do not use more than this voltage. 2. The power supply is recommended for 12v, 3A power supply filter better 3. 4-8 inch stereo speakers recommended. 4. Do not short-circuit the audio output to each other or shorted to ground. 5. Carefully check before electricity, ensure wiring is correct before electricity.

-Mini HIFI digital bluetooth audio power amplifier and Two main channel output. - Aluminum alloy body, durable, the body is made of aluminum alloy once  -Low distortion supplies a clearer, stronger and more powerful sound. -With Remote control function and Supports FM stereo radio. - The machine supports bluetooth operation, and supports line input.

Product Description: Name:4 way amplifier with gain adjustable Category:Household 20dB amplifierFeatures 1.Adopting imported high-frequecy amplification component, low noise current design 2.Aluminum material housing,fast heat dissipation qualityTechnical parameter Bandwidth (MHz) 45-860 Total gain(dB) 20±2 Gain adjustment(dB) 0-10 Flatness in band(dB) ±0.5 Slop(dB) 3 Noise factor(dB) ≤5 Power consumption(W) 1 Output number 3 Dimension(mm) 122X70X30MM

Max sound output: 130±5dB Sound gain: ≥50dB Total harmonic wave distortion: ≤10% Frequency range: 300~4000Hz Input noise: ≤30dB Voltage: DC 1.5V Current: ≤4mAUsage Open the cartridge cover, put the battery in the correct position. Zine Air battery is the best choice and has a longer life. Before using, make sure that power is turned off, or make the volume to “l”. Put the ear hook on your ear, plug in the ear tightly. Note:The unit is on “off” position, and volume is on “l”, otherwise the instant sound will make you uncomfortable. Turn the power, and adjust the sound volume to get clear sound, If you hear the whistling sound, please check whether you have plugged in the earplug tightly. If it can’t be plugged tightly, please change the other size plug.

CA-6928 Bluetooth audio module Bluetooth power amplifier board 3.3v-5v: CA-6928 Bluetooth Stereo Audio Module For Power Amplifier Board 3.5V~5V Features: Input Voltage: DC 5 V Audio Out: L R G (it must be connected to the amplifier) Receive audio signals from mobile Extraordinary Range 10 meters. Smallest and Powerful Best for any kind of amplifier. Dimensions: 24mm x 15mm x 1mm Supply: 3.5~5V Dc Current; 300ma Impedance; 4~8ohms For Free Information About Circuits Electronics Projects

  FEATURES Sonic Emotion Absolute 3D Sound Technology iPod/iPhone Digital Audio Connection and Power Recharging Dock Bluetooth Wireless Audio Playback  (Version 2.1 + EDR) Power Recharging via USB for Compatible Tablets and Smart Phones (5 V/2.1 A)* Powerful Digital Amplifier to Drive Six Speakers and Subwoofer Supports AAC Codec for Bluetooth Technology 6 x Full-Range 5 cm Drivers Powerful 10 cm Down-Firing Subwoofer Repeat/Shuffle Play Modes Available in White or Black      

  Features: 15" spun-copper Cerametallic woofer All-digital amplifier delivers 800 watts of dynamic power Front-firing slot port with exclusive internal flare technology. L/R line-level/LFE RCA inputs for compatibility with most receivers For a simple wireless connection, add an optional Klipsch WA-2 Wireless Subwoofer Kit Dimensions: 21.5" H x 19.5" W x 22.3" D Brushed black polymer veneer cabinet with satin painted plinth    

  Features: 12" spun-copper Cerametallic woofer All-digital amplifier delivers 600 watts of dynamic power Front-firing slot port with exclusive internal flare technology L/R line-level/LFE RCA inputs for compatibility with most receivers For a simple wireless connection, add an optional Klipsch WA-2 Wireless Subwoofer Kit Dimensions: 17.38" H x 15.5" W x 18.25" D Brushed black polymer veneer cabinet with satin painted plinth    

  Features: 10" spun-copper Cerametallic woofer All-digital amplifier delivers 450 watts of dynamic power Front-firing slot port with exclusive internal flare technology. L/R line-level/LFE RCA inputs for compatibility with most receivers For a simple wireless connection, add an optional Klipsch WA-2 Wireless Subwoofer Kit Dimensions: 16.3" H x 14.75" W x 15.8" D Brushed black polymer veneer cabinet with satin painted plinth    

  Features: Powerful 12" copper-spun front-firing woofer All-digital amplifier delivers 400 watts of dynamic power Equally impressive with music and movies Low pass crossover and phase control Line/LFE inputs for compatibility with most receivers Dimensions: 16" H x 14" W x 18.5" D Brushed black polymer veneer cabinet    

  Features: Powerful 10" copper-spun front-firing woofer All-digital amplifier delivers 300 watts of dynamic power Equally impressive with music and movies Low pass crossover and phase control Line/LFE inputs for compatibility with most receivers Dimensions: 14" H x 12.5" W x 15.7" D Brushed black polymer veneer cabinet    

Technical Specifications:Bluetooth Version: Bluetooth 5.0Battery Capacity: 620mAhWorking Duration: Up to 24hrsAudio Codec: TX Mode: aptX Low Latency, aptX, SBC; RX Mode: SBCBluetooth Protocol: A2DP/AVRCP/HFP/HSP Dual Mode Wireless Adapter: Use Transmitter or Receiver mode to add wireless connectivity to your wired device and stream music wirelessly Seriously Accurate Sound: Bluetooth 5.0 and aptX Low Latency codec provides high fidelity lag-free audio as clear as the wireless source (Note: Only TX mode supports aptX Low Latency codec) More Flexible Connection: 3.5mm audio jack and digital optical jack for audio input and output connects to a multitude of compatible devices like wired/wireless headphones, speaker, amplifier, TV, laptop, gaming console Dual Link Music Streaming: Connect two phones to one wired speaker to switch music source or connect two wireless headphones to the same TV or laptop to share the music you love Constant Streaming: Rechargeable battery stores up to 24hrs of use from one charge, great for several days use; connect the wireless adapter to the power source to stream music while charging

6 inches high quality bass and sound.big copper voice coil.100 watts power.4 ohms impedancehigh qualty paper con.very nice and high quality spider.can be attached with any amplifier.

BT：4.2+5.0 Dual-mode Bluetooth antenna：Hs6620 + bk3266 all need welding wire Heart rate sensor&Temperature Sensor：Heart rate and temperature in one Charging mode：wireless charging Microphone：YES Side key：Knob button/Common on / off key and function key Horn&Receiver：YES,Two in one loudspeaker and handset Power amplifier：YES Battery capacity：150 mah Multi-sport：Open and close jump、Run、situp、Football、Basketball、Badminton、Mountaineering etc. Message Push Language：Simplified Chinese、All European countries APP System：IOS 9.0 and above, Android 5.0 and above