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ALMOCN 5PCS YX5200 DFPlayer Mini MP3 Player Audio Module MP3 Voice Decode Board Supporting TF Card U-Disk IO/Serial Port/AD for Arduino

Supported Sampling Rates (kHz): 8/11.025/12/16/22.05/24/32/44.1/48.
24 -bit DAC output, support for dynamic range 90dB , SNR support 85dB..
The DFPlayer perfectly integrates hard decoding module, which supports common audio formats such as MP3, WAV and WMA..
Supports FAT16, FAT32 file system, maximum support 32G TF card, support U disk to 32G, 64M bytes NORFLASH..
Control modes: I/O control mode, serial mode, AD button control mode..
Through a simple serial port, you can play the designated music without any other tedious underlying operations..

Dynamic, closed ear headphones with up to 32 dB attenuation of outside sound.
Lightweight and comfortable, ergonomic design, Cord Length 3.3 9.8 feet Coiled.
Extended frequency response and warm, natural sound reproduction.
Around the ear design with padded earcups.
Earpads, headband padding, and audio cord are easily replaceable, ensuring long life.
Lightweight and comfortable, ergonomic design.
Collapsible earpieces for compact transport.

【 Sonata HD Ⅲ (iOS version)】Hiby music app. HiRes certified. 70mW high power. Direct Stream Digital DSD256. ES9218. 3.5mm headphone port. ASIO....
【Exclusive mode】Support "Exclusive HQ USB Audio access" of Hiby music app and exclusive ASIO driver for Windows PC. low battery consumption.....
【Support multiple formats & High outpout power】Support DSD ,DXD Music file. 70MW/32ohm.
【Multiple system support】Full support Android, Win, macOS, Hifi player. Android version can not USE on iOS. The device supports win10 by default.....
【Parameters】OUT PUT: 2VRMS. SNR: -120dB. THD+N: -105dB. OUTPOWER: 70MW/32ohm. DSD 128/256 (NATIVE). PCM 32/384 (kHz)..

Package inlcuding 3 pack alarm (1 Pack 108dB Freezer Door Alarm with 4 Modes + 2 Pack 90dB Freezer Door Alarm ).
108dB Freezer Door Alarm - This alarm with 4 modes, it’s not only a refrigerator alarm, but also a door alarm for home security helps deter intruder/thieves effectively by 108dB loud alarm, and can be door open chime help notify you if children/pet or others are coming/ going. You can easy to set appropriate mode as your need.
4 Modes: 1. Time Delay Alarm (sounds “Di-Di-Di” from 0dB to 108dB if door stays open for 3/15/30/60s) 2. General Alarm (alarm stop if door closed).
3. Constant Alarm (constant alarm even door closed).
4. Door Open Chime (sounds “DingDong” once door opens).
90dB Freezer Door Alarm - Only 60s DELAY Mode. Wireless freezer alarm keeps ringing if the freezer door stays open for 60 seconds. It will only alert you when freezer door has been left open for 60s, it will not annoying you while you want the door open.
0.32" ULTRA-SLIM DESIGN - Ultra-slim door open alarm, save space and suitable for most of freezers/fridges. Size: 3.15" x 1.38" x 0.32". Just ON/Off button, super easy to use.

iMicro SP-IMTP331 Multimedia Stereo Headphones General Features: Black color.
Goose Neck Boom Microphone Speaker Driver Unit: 40mm Speaker Frequency: 20~20kHz.
Speaker Sensitivity: 110dB 3dB Speaker Impedance: 32ohm 15% Mic. Dimension: 6 5mm.
Mic. Frequency: 20~20kHz Mic. Sensitivity: -58dB 3dB Mic. Impedance: 2K ohm.

Ematic EDT312ANT with FREE Ematic ES150 HDTV Slim Digital Indoor Multi-Directional TV Antenna with 10 Feet Cable Support 4K 1080P.
VHF: 40-300MHz 28-32dB and UFH: 470-890MHz 32-36dB.
Dimensions: Approximately 20" x 29" (L x W).

Gaming headset with Microphone supports PCs, Macs, Xbox, PS4, Mobile phone and Tablets . Using 3.5mm Jack.
Driver diameter: 40mm , Impedance: 32Ohm , Sensitivity: 105dB +/- 3dB at 1KHz.
Frequency range: 15Hz-20KHz,Mic dimension: 6.0 * 5.0mm ,Mic sensitivity: -38dB +/- 3dB.
Cable length: Approx. 2.2m / 7.22ft - Headphone size: Approx. 20 * 9 * 21.5cm / 7.9 * 3.5 * 8.5in.
Design for Gamer with amazing sound quality.

Rockville RCS80-1 60 Watt 70V commercial restaurant amplifier/Receiver with Bluetooth.
Rockville RCS80-1 60 Watt commercial/restaurant amplifier 19" Rack-mountable (removable rack brackets) digital hybrid amplifier/Receiver. Capable of 70 volt, 100 Volt, 16 ohm, 8ohm, and 4 ohm. 70/100 volt True RMS power: 60 watts. 4 ohm RMS power: 80 watts..
8 ohm RMS power: 70 watts. 16 ohm RMS power: 11 watts. Built in Bluetooth Audio streaming. Fm radio tuner. Usb input to play audio stored on a thumb drive (32GB max). SD card slot to play music stored on an SD card (32GB max)..
Distortion: 79dB. Power requirements: 120V/ 50-60Hz. A weighted signal to noise (@ 1W) -79.0Dba. A weighted signal to noise (referenced to full 4 ohm power) -95.1Dba..
Frequency response (bandwidth @ 2Vrams out, @ -3.0dB) 8 ohms.

The DFPlayer Mini is a small and low cost MP3 module player with an simplified output directly to the speaker. The module can be used as a stand alone module with attached battery, speaker and push buttons or used in combination with an or any other with RX/TX capabilities..
The DFPlayer perfectly integrates hard decoding module, through a simple serial port, which supports common audio formats , you can play the designated music without any other tedious underlying operations. The module perfectly integrated hardware decode MP3, WAV, WMA..
SPECIFICATION Supported sampling rates (kHz): 8 / 11.025 / 12/16 / 22.05 / 24/32 / 44.1 / 48 , 24-bit DAC output, support dynamic range: 90dB, SNR support: 85dB..
The software supports TF card driver, maximum support 32G of the TF card.
IO control mode, serial mode, AD key control mode are available to choose. A variety of applications such as Vehicle navigation voice, multichannel voice alarm, automatic alarm for equipment failure, timed broadcasting.radio spots language function, you can pause the background music being played. Advertising finished playing background sound continues to play back..