Mini digital audio amplifier

set2: 1 x 600W boost constant current module + 1 x Amplifier Board Small size design, BTL output, the maximum output 100w, can drive 2 ohm speakers, be balanced (differential) input, external heat sink chip work more stable. Signal input mode can be selected according to the following two needs: Balanced input signal (differential): Signal + Signal -, GND (ground). Unbalanced inputs (single-ended): - end and GND (ground) short circuit, the signal input from the + terminal. 3300 / 25V filter capacitor The output voltage regulation: 1. adjust the CV-ADJ potentiometer, according to your or LED, the output voltage is set to the voltage you need. Clockwise voltage is small, counterclockwise adjustable. 2. clockwise CC-ADJ potentiometer about 20 laps, the output current is set to a minimum, connected to the LED, CC-ADJ potentiometer to the required current. For charg, put the after the end of the, then receive the output, adjust the CC-ADJ to the current you need, (for charg must be used when the is fully charged, because the left The more charge, the smaller the charge current.

Order Link https://azshopping.pk/product/wstee-portable-rechargeable-mi … Video Link https://youtu.be/xfMRAX2pdbg Play MP3/WMA audio files in the USB/TF card External audio input Built-in Battery External power charging interface FM auto scan radio LED digital display Input DC-5v Built-in BL-5C Battery Frequency response 150-18000Hz Power output RMS 3W=THD 10% FM 87Mhz-108Mhz Website http://azshopping.pk

Mini HD Spy Pen Camera 8gb Price 2999/-PKR The 8 GB Spy Pen Camera (1 year warranty) is currently the world's first video recording function of the digital audio and video CMOS sensor, at the same time having a good speed transmission function to browse videos. Elegant appearance, stable quality, wide variety of purposes, will bring you new extraordinary experience, is your siede indispensable utility. This style spy pen camera is suitable for: reporter visits, records of incidents, life records, entertainment and leisure, outdoor sports, education, family security monitoring, law enforcement evidence collection, travel records, auxiliary memory etc Cal us 03203147666 03002852095 http://www.mytelebrand.com/Spy-Pen.html

Mini HD Spy Pen Camera 8gb Price 2999/-PKR The 8 GB Spy Pen Camera (1 year warranty) is currently the world s first video recording function of the digital audio and video CMOS sensor, at the same time having a good speed transmission function to browse videos. Elegant appearance, stable quality, wide variety of purposes, will bring you new extraordinary experience, is your siede indispensable utility. This style spy pen camera is suitable for: reporter visits, records of incidents, life records, entertainment and leisure, outdoor sports, education, family security monitoring, law enforcement evidence collection, travel records, auxiliary memory etc

Digital Voice Recorders that are compact and pocket sized, unobtrusive and simple to operate Clear Voice Recording.. You can use it as a portable audio recorder to record anything, or simply use it as a MP3 player to listen to your favorite songs..

Video Record with 1280x720P/1920x1080P 3-5 Hours video Record Take Photos with 4032x3024 Cam Lens with 8MP Build in Mic, video record with Audio

Specification: high quality adapter Mini Connector Adapter Gold plated tip for corrosion resistance. Connections: Fiber Optic Jack to 3.5mm Mini Connector Adapter Use this adapter to change your connector to a 3.5mm mini connector to enjoy the best digital audio has to offer. Package Includes: 1x Toslink Adapter

Feature: USB voice recorder - this digital audio Recorder voice activated one time full charge (2 hours) support 17 hours continuous recording,small recording device for lectures, college class, college, speeches, interviews or meetings. never worry about one day meeting or lectures and personal dictation now. Small voice recorder is the same size and look of a simple USB thumb drive. This USB audio recorder has no markings indicating it is a recording device. No flashing light when voice recording. Plug USB sound recorder into your computer port and a folder of recorded WAV files appears immediately. Super simple compared to other recording devices. One step plug and play access to files. BEST AND SIMPLEST USB VOICE RECORDER- record sound, talks, conferences, concerts, sermons, ceremonies, training sessions, telephone conversations, radio programs, agreements. Use as a digital Dictaphone, musical instrument practice, capture arguments. Package included: 1x voice recorder 1x user manual

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

XH-A302 Bluetooth amplifier board adopts amplifier chip with high-fidelity stereo sound quality; supports Bluetooth and AUX audio input; amplifier is equipped with Bluetooth 5.0 high-speed transmission, and the effective transmission distance of Bluetooth is 20 meters for unobstructed connection, (depending on personal mobile phone Bluetooth configuration, The signal strength is different, the transmission distance will also be different). The amplifier input is DC12-24V, with dual-channel output, the output impedance is 4-8Ω, and the maximum is 50W*2; the on-board function buttons can freely adjust the volume, switch songs, and select the input mode.

-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.

What does this pen do? This ball-point pen is a high-definition video recorder. You can record HD video, high-quality audio and take excellent picture. With simple operation, elegant design, small size, it is easy to carry. It is an essential utility in business, education, security, media, justice, tourism, health care, living and other field. 1. Characteristics: The characteristics of this smallest mini pen camera includes various functions, fashionable appearance, outstanding video recording effect, handy and portable, easy use, stability, reliability and rapid response, etc 2. Function: The functions of this mini pen camera includes high definition, video recording, high definition photography, monitoring video camera, computer camera 3. Applications: It is applicable for the purposes of reporter interview, wonderful snap shoot, emergency record, living fragment record, recreation record, sports record, aided teaching record, family security monitoring, criminal investigation and evidence-collecting for legal purpose, landscape record during travel, outdoors exploration record etc.

Product code: 142 In stock: yes This Spy Pen Camera acts as a fine writing instrument as well as being a high definition secret camcorder. It has the added function of being able to take digital still images. Place it in your jacket pocket or place it on the desk in front of you to capture peoples’ behavior and reactions. You can even use it as a live blogging device. It comes with a free 8GB micro SD card and compared to most other spy pens has a superior video resolution. Videos are accompanied by HIFI audio quality sound and are saved as 30 frames per second AVI files. This is one hot gadget! Product Features * super long using time, support 60 to 70 minutes recording time. * 720x480 Pixel High definition video recording function with voice * Video date can be saved and used as flash disk. * Video data with date and time. * lid, light to carry with. * Easy to write, writing fluently. * Recording frames: 30 FPS * Image ratio: 4:3 * Recording format: AVI * Video encoding: M-JPEG * Photo format: JPG * Webcam: 320X240 * Memory: Comes with 4GB External Memory Card (expandable to 16 GB) * Transfer interface:Mini 5pin USB * Charging Voltage: DC 5V * Battery: 150mAh, Lithium-ion polymer battery * Length: 15.4CM * Dimension: 1.3CM * Net Weight: 51g * Audio-detection recording: >= 45 db auto-recording * Support system: Windows 2003 / XP / Vista / 7 / MAC Accessories in package * USB Pen Camera, Manual, USB Cable

This Spy Pen Camera acts as a fine writing instrument as well as being a high definition secret camcorder. It has the added function of being able to take digital still images. Place it in your jacket pocket or place it on the desk in front of you to capture peoples� behavior and reactions. You can even use it as a live blogging device. It comes with a free 8GB micro SD card and compared to most other spy pens has a superior video resolution. Videos are accompanied by HIFI audio quality sound and are saved as 30 frames per second AVI files. This is one hot gadget! Product Features * super long using time, support 60 to 70 minutes recording time. * 720x480 Pixel High definition video recording function with voice * Video date can be saved and used as flash disk. * Video data with date and time. * lid, light to carry with. * Easy to write, writing fluently. * Recording frames: 30 FPS * Image ratio: 4:3 * Recording format: AVI * Video encoding: M-JPEG * Photo format: JPG * Webcam: 320X240 * Memory: Comes with 4GB External Memory Card (expandable to 16 GB) * Transfer interface:Mini 5pin USB * Charging Voltage: DC 5V * Battery: 150mAh, Lithium-ion polymer battery * Length: 15.4CM * Dimension: 1.3CM * Net Weight: 51g * Audio-detection recording: >= 45 db auto-recording * Support system: Windows / XP / Vista / 7 / MAC Accessories in package * USB Pen Camera, Manual, USB Cable

FEATURE AND USE - Features 8GB of internal memory and stores up to 93 hours of recording, full charge can support 10 hours of continuous recording, great recording device for lectures, classes, speeches, interviews or meetings. VOICE ACTIVATED - The recorder will start recording when a sound is detected. It will automatically start and stop recording and help only record what you need. MP3 PLAYER AND COMPATIBLE With Mac or PC - Built-in MP3 Player and you will be able to play music and play back your recorded files, the recorded files can be easily played with any device and transfer to Mac or PC. (Note: Mac users need VLC Media Player, which is a free download). SIMPLE AND EASY TO USE - Switch the recorder to /"ON/" and instantly begin recording! Plug in headphones and enjoy your recordings! SUPERIOR RECORDING QUALITY The voice recorder records at 192kbps and captures up to 20 ~ 50 ft. Capture clear and clean audio that you can listen to by using the included earphones! MULTIPLE FUNCTIONS - This voice recorder has instant playback mode, advanced noise reduction, and voice activated recording to give you the best audio quality possible no matter what you want to record. UNIQUE DESIGN - Attach the voice recorder to your keys or use as a key chain! The clean and simple design makes it perfect for covert recording. Supported format types are MP3, WMA and WAV files. Battery Capacity:3.7v/460mAh Recording format: MP3/WAV/ACT Recording distance: 8 Meters Colour:Silver Material:Aluminum alloy Package Contents: 1 x Voice Recorder Keychain 1 x English User Manual 1 x USB Cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.