SUCA AUDIO Bluetooth 5.0 Preamplifier with 6K4 Vacuum Tubes, RCA/Bluetooth/TF/USB Input Audio Receiver USB DAC Hi-Fi Headphone Amplifier Stereo Audio Preamp with Remote Control (black)

Price: [price_with_discount]
(as of [price_update_date] – Details)

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Warm tips:
1. Tube-M1 is a tube preamp but NOT A PHONO PREAMP.
2. This preamplifier needs to work with amplifiers or active speakers, cannot drive passive speakers or used with turntables directly.
3. In RCA input mode, the previous / next song function is invalid.
4. The USB interface only supports U-disk and USB 2.0 thumb drive, not support PC-USB.
5.The RCA and 3.5mm headphone jack can output at the same time.
6. Mode1，Mode2 and Mode3 buttons are invalid buttons with this remote.
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.

Features
1.Bluetooth vacuum & valve tube preamplifier and headphone amplifier.
2.Headphone output is 100mW @32Ω and is suitable for 16~64Ω headphones and headsets
3.With remote control, more convenient and easy to control the preamp even not beside the machine .
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.
6.Replaceable Vacuum Tubes, can use 6K4/6J1/6J2/6J4/GE5654/6AK5 vacuum tubes, etc

Parameters
Audio input: Bluetooth/Stereo RCA/U-disk/TF Card
Audio output: Stereo RCA / 3.5mm headphone jack
Supported formats of U-disk and TF Card: MP3 / WMA / APE / FLAC / WAV
Max storage of U-disk: 32G
Max storage of TF card: 32G
Vacuum Tubes: 6K4*2
Frequency Response: ±3dB (20Hz-20KHz)
Treble/Mid/Bass range: ±6dB
Input sensitivity: 0.775V
THD: 0.05%
SNR: ≥98dB
Headphone Output Power: 100mW/32Ω
Matched headphone impedance: 16-64Ω
Working voltage: DC 12V
Dimensions(W*D*H): 128*118*36mm / 5.04*4.64*1.41in
Net weight: 410g / 0.93lb
Package weight: 700g / 1.54lb

Package Include
1 x M1 Preamp
2 x 6K4 Tube
1 x DC12V Power Adaptor
1 x Remot
Batteries ‏ : ‎ 1 Lithium Metal batteries required. (included)
Package Dimensions ‏ : ‎ 25.9 x 21.7 x 6.6 cm; 720 Grams
Date First Available ‏ : ‎ 6 Jan. 2021
Manufacturer ‏ : ‎ SUCA AUDIO
ASIN ‏ : ‎ B08M5RKMH6
Manufacturer reference ‏ : ‎ PD-31
Country of origin ‏ : ‎ China
Delivery information:: We cannot deliver certain products outside mainland UK ( Details). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.

Worth Playing Preamplifier: Tube-M1 add Bluetooth 5.0 input, USB input and TF card input, provide more methods for you to enjoy your music with a warm and rich sound. With Modes Select, Previous, Play/Pause and Next buttons, you can control your music on this preamp directly. NOT COMPATIBLE WITH PHONO.
Tube 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 & tube headphone amplifier provide you more selection to enjoy your music, support MP3/WMA/APE/FLAC/WAV format files.
RF Remote Control: Come with RF remote control that make it more convenient to use. With the remote, you can turn it ON/OFF, select the input channel, mute, play/pause, previous and next. Also, 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.
Vacuum Tube Replaceable Preamp: 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.
Compatibility: Tube preamp is connected between audio source and amplifier or active speaker to greatly improve the sound quality.Can be perfectly compatible with iPod, Phone, MP3, TV, CD players, laptop, desktop computer or other streaming media players etc., satisfy most requirements of common home audio system use.

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