SUCA AUDIO TUBE-M1 Tube Preamplifier Bluetooth 5.0 USB Tube Headphone Amplifier w/ 6K4 Electron Tubes

SUCA AUDIO TUBE-M1 Tube Preamplifier Bluetooth 5.0 USB Tube Headphone Amplifier w/ 6K4 Electron Tubes

Features:
- Bluetooth 5.0 preamplifier lossless player
- Bluetooth 5.0 transmission and remote control remote operation. Lie on your sofa and control HIFI music from a distance
- Support U disk and TF card input. TUBE-M1 is also a digital music player, supporting lossless format music such as MP3/WAV/APE/FLAC
- With TREBLE, BASS, MID knobs for independent adjustment, and LED indicators. Designed with independent gain adjustment knob for high and bass, the sound quality is under your control. With power input channel indicator, it can display the working status in real time, adding more playability and fun to the music
- Work as a headphone amp. The independent headphone amplifier is designed for headphone users, which is convenient for listening to lossless music alone or at night. RCA and 3.5mm ports can output at the same time to meet more usage needs
- Pluggable enthusiast tubes. 6K4 electronic tubes have a strong tube taste and is more resistant to hearing. With the pluggable design, they can be replaced and upgraded to 6*1N, GE5654, 6AK5, EF95, etc.
- Dual op amp NE5532P. Both headphone amplifier part and the preamp part use NE5532P dual op amps, and have an op amp IC socket for easy replacement and upgrade of the op amp, bringing more DIY fun to fans. If you need to directly upgrade and replace the op amp, please contact us
- Complete interfaces enable multiple audio inputs. Rich audio input ports: Bluetooth, U disk, TF card, RCA input, can be connected with most devices such as computers, for iPod, mobile phones, MP3, TV, CD, DVD/VCD, Blu-ray players, etc. Realize lossless audio transmission, enjoy HIFI sound quality
- HiFi sound quality, high-end internal architecture
- Electron tubes with LED rhythm light which can turn on/off

Product Parameters:
- Product Brand: SUCA AUDIO
- Product model: TUBE-M1
- Working voltage: DC12V (With a 12V 1.5A power supply)
- Frequency response range: 20Hz-20KHz (±3dB)
- Audio input: Bluetooth 5.0/RCA/U disk/TF card
- Audio output: RCA/3.5mm headphone jack
- Signal to noise ratio: ≥110dB (when RCA input)
- Distortion: 0.05%
- U disk and TF card maximum support memory: 32GB
- U disk and TF card support formats: MP3/WMA/APE/FLAC/WAV, etc.
- Headphone impedance: 16-64Ω
- Maximum output power of earphone: 100mW (32Ω load)
- Input sensitivity: 0.775V
- RCA output level: 1.4Vrms
- High, middle and bass gain: ±6dB
- Product size: 128*118*33mm(LxWxH)
- Machine weight: 0.42kg

Package Included:
- 1 x Tube Preamplifier
- 1 x 12V 1.5A Power Adapter
- 2 x 6K4 Tubes
- 1 x Remote Control
- 1 x Bluetooth Antenna
- 1 x Product Instructions

Note:
- It is assembled.
- It is a tube preamplifier. It needs to be used with a power amplifier or active speakers. It cannot be directly connected to passive speakers.
- Other items pictured are not included in the package, for demonstration purposes only. Thank you for your understanding!