{"product_id":"suca-audio-bluetooth-5-0-vacuum-tube-preamplifier-with-bass-mid-treble-control-for-home-audio-hi-fi-stereo-headphone-amplifier-with-remote-control-rca-bluetooth-usb-u-disk-input","title":"Bluetooth 5.0 Vacuum Tube Preamplifier with Bass Mid Treble Control R3705","description":"Worth Playing Preamplifier: Tube-M1 add Bluetooth 5.0 input, U Disk input and TF card input, provide more methods for you to enjoy your music with a warm and rich sound.Can be perfectly compatible with iPod, Phone, MP3, TV, CD players, laptop, desktop computer or other streaming media players etc. NOT COMPATIBLE WITH PHONO.\u003cbr\u003eRF Remote Control: Come with RF remote control that make it more convenient to use. You can use the numeric keys to choose the music and adjust the volume by the vol- or vol+ button. Rf remote control makes it more convenient to play your music.\u003cbr\u003eAs a Standalone Headphone Amplifier: Support 100mW @32Ω headphone output. It is suitable for 16~64Ω headphones and headsets with 3.5mm jacket. With Treble, Mid and Bass knob, Tube-M1 preamp \u0026amp; tube headphone amplifier provide you more selection to enjoy your music, support MP3\/WMA\/APE\/FLAC\/WAV format files.\u003cbr\u003eVacuum Tube Pluggable Design: Adopting vacuum tubes design to filter out the digital sounds of common sound sources, making the sound warm and sweet. Default 6K4 tubes, and can be directly replaced by 6J1\/6J4\/GE5654\/6AK5\/6*1n to enjoy HiFi sound of different styles.\u003cbr\u003eT1 Texas Instruments dual op amp NE5532P: The two amp parts and the two pre-stage parts use Texas Instruments' NE5532P dual-op amp. The machine has a sports IC seat, which is convenient to directly replace and upgrade the op amp, which brings more DIY fun to the enthusiasts\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cb\u003eWarm tips:\u003c\/b\u003e\u003cbr\u003e 1. Tube-M1 is a tube preamp but NOT A PHONO PREAMP.\u003cbr\u003e 2. This preamplifier needs to work with amplifiers or active speakers, cannot drive passive speakers or used with turntables directly. \u003cbr\u003e 3. In RCA input mode, the previous \/ next song function is invalid.\u003cbr\u003e 4. The USB interface only supports U-disk and USB 2.0 thumb drive, not support PC-USB. \u003cbr\u003e 5.The RCA and 3.5mm headphone jack can output at the same time.\u003cbr\u003e 6. Mode1，Mode2 and Mode3 buttons are invalid buttons with this remote.\u003cbr\u003e 7. The remote control is come with a CR2025 battery, once it is run out of the power, you can get it with a replacement with the same model.\u003cbr\u003e\u003cbr\u003e \u003cb\u003eFeatures\u003c\/b\u003e\u003cbr\u003e 1.Bluetooth vacuum \u0026amp; valve tube preamplifier and headphone amplifier.\u003cbr\u003e 2.Headphone output is 100mW @32Ω and is suitable for 16~64Ω headphones and headsets\u003cbr\u003e 3.With remote control, more convenient and easy to control the preamp even not beside the machine .\u003cbr\u003e 4.Bluetooth, USB(means U-Disk and USB 2.0 thumb drive, NOT PC-USB), TF Card and RCA input. 5.Add Treble,Mid and Bass Control, much funny with different combination function.\u003cbr\u003e 6.Replaceable Vacuum Tubes, can use 6K4\/6J1\/6J2\/6J4\/GE5654\/6AK5 vacuum tubes, etc\u003cbr\u003e\u003cbr\u003e \u003cb\u003eParameters\u003c\/b\u003e\u003cbr\u003e Audio input: Bluetooth\/Stereo RCA\/U-disk\/TF Card\u003cbr\u003e Audio output: Stereo RCA \/ 3.5mm headphone jack\u003cbr\u003e Supported formats of U-disk and TF Card: MP3 \/ WMA \/ APE \/ FLAC \/ WAV\u003cbr\u003e Max storage of U-disk: 32G\u003cbr\u003e Max storage of TF card: 32G\u003cbr\u003e Vacuum Tubes: 6K4*2\u003cbr\u003e Frequency Response: ±3dB (20Hz-20KHz)\u003cbr\u003e Treble\/Mid\/Bass range: ±6dB\u003cbr\u003e Input sensitivity: 0.775V\u003cbr\u003e THD: 0.05%\u003cbr\u003e SNR: ≥110dB\u003cbr\u003e Headphone Output Power: 100mW\/32Ω\u003cbr\u003e Matched headphone impedance: 16-64Ω\u003cbr\u003e Working voltage: DC 12V\u003cbr\u003e Dimensions(W*D*H): 128*118*36mm \/ 5.04*4.64*1.41in\u003cbr\u003e Net weight: 410g \/ 0.93lb\u003cbr\u003e Package weight: 700g \/ 1.54lb\u003cbr\u003e\u003cbr\u003e \u003cb\u003ePackage Include\u003c\/b\u003e\u003cbr\u003e 1 x M1 Preamp\u003cbr\u003e 2 x 6K4 Tube\u003cbr\u003e 1 x DC12V Power Adaptor\u003cbr\u003e 1 x Remote \u003c\/p\u003e\u003cbr\u003eElectronics Home Audio Home Theater","brand":"My Store","offers":[{"title":"Default Title","offer_id":57274436190348,"sku":"P353529201976023218","price":18.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/6243\/4956\/files\/1ecf2c0053b7100fafdd0f41f04be7bf11eaa2b186277d333215e06133e128ea.jpg?v=1789028943","url":"https:\/\/mavilio.shop\/products\/suca-audio-bluetooth-5-0-vacuum-tube-preamplifier-with-bass-mid-treble-control-for-home-audio-hi-fi-stereo-headphone-amplifier-with-remote-control-rca-bluetooth-usb-u-disk-input","provider":"My Store","version":"1.0","type":"link"}