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new tube 2SC5200+2SA1943 Mono Channel HIFI Audio Amplifier Board Features: 1. The noise of the switch is small and will not have too much impact on the speaker. It is recommended to add a horn protection circuit. The horn protection...

Product description:Features：1.It has two inputs, one AUX input, which is convenient for traditional wired analog signal input; there is also one Bluetooth wireless input, which can be easily connected to Bluetooth devices such as mobile phones and...

Item parameters Item Name : NE5532 Preamplifier Board Channels : 2.0 Power Input : Dual AC12-18V Frequency:20-20KHz Signal Input : Xh2.54mm /5.08mm Signal Output : Xh2.54mm/5.08mm Features: Treble+Mediant+Bass+Volume...

Introduction to fiber optic cables1. Use bold POE light to reduce optical signal loss2. The plug shell adopts carbon fiber shell, which enhances the strength of the plug and does not increase the weight3. The plug is plated with 5μ thick 24k gold to make...

Features:1. Portable and lightweight: The mini projector is lightweight and compace in size. It is a portable product for home and travel.2. Support 1080P high definition: 1080P high definition allows you to enjoy clear and vivid photos.3. High power...

Feature:- Support reading MP3 songs in TF-card / U-disk.- Independent adjustment of Treble, Bass and Master volume.- Built-in Bluetooth Receiver and FM Radio Function.- With AUX input port, can be connected to the PC/Phone/CD.- Dual microphone input,...

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Tip:The power supply MUST to be 9V-24V/bigger than 3.5A,if you have not the suitable power supply,suggest buy the power supply together,it is 12V5A.Packing List:1× Amplifier1× Power Supply(Optional)Tip:The power supply MUST to be 9V-24V/bigger than 3...

   Fosi Audio BT20A Pro TPA3255 Bluetooth Sound Power Amplifier 300W x2 Mini HiFi Stereo Class D Amp Bass Treble For Home Theater Highlight: 1. Bass & Treble Control with Midpoint Positioning  2. Replaceable Op-Amp Chips: MUSES02, OPA2134PA,...

   .Fosi Audio Q4 - Mini Stereo USB Gaming DAC & Headphone Amplifier Audio Converter Adapter for Home/Desktop Powered/Active SpeakersFeatures:Easy to set up, no special software, app, or driver to install, a true plug-and-play digital audio adapter...

1. Used 5u 24k gold-plated plugs by U.S, which is made of gold-plated plug, copper shell, and advantages of these can be make sure sateble connect and fast transmission .2. Pefectly support for Dolby AC3 suround sound and DTS . Transmission speed high up...

  Fosi Audio V3 Stereo Power Amplifier 300W x2 TPA3255 Class D Mini Speaker Amp 2 Channel Audio Amplifier for Passive Bookshelf Highlight: 1. Replaceable Op-Amp Chips: MUSES02, OPA2134PA, OPA2604AP2. Passive Speakers + Pre-out   3. Replaceable Knobs:...