P1 Hifi Tube Preamp USB DAC Headphone Amp Bluetooth Receiver 5.0 (Red) w/ American Tubes Treble Bass

P1 Hifi Tube Preamp USB DAC Headphone Amp Bluetooth Receiver 5.0 (Red) w/ American Tubes Treble Bass

Features:
- Internal structure: QCC3034 Bluetooth chip supports for APTX-HD, featuring lossless transmission and no delay; CM6642 USB chip supports 24BIT/192KHz sampling rate; NE5532*3 op amp enable better control of treble and bass; classic 47 headphone amplifier architecture can drive 300Ω headphones
- PC-USB (CM6642) supports 24bit 192KHz lossless decoding; compatible with system for Windows/Mac/Linux; supported audio devices including for iPod, phone, MP3 player, TV, Blu-ray player and CD player
- Adjust treble and bass independently for a smoother and more detailed sound; adds pass-through for pristine sound
- 3 audio inputs (Bluetooth, USB, and RCA) and 2 outputs (RCA and 3.5mm headphone jack). The P1 can be used as a HiFi tube preamp, USB DAC and headphone amp. It also ensures HiFi clear, warm, dynamic, sweet tube sound and delivers an extremely high-quality listening experience [its 3.5mm headphone jack not for headphones with mic (TRRS port)]
- Used as a headphone amp. With NE5532 op amp and classic 47 headphone amp structure, it can drive 32-300Ω headphones
- Beautiful appearance and unique design. Blue and orange lights decorate the vacuum tubes; ideal for home and desktop speaker system
- GE5654 vacuum tubes are used. They can be replaced by 6J1, 6J4, 6J5, 6AK5 and 6*1N to help you enjoy HiFi clear, warm, dynamic, sweet tube sound with your home theater system

Attention:
1. The headphone output is given priority, and your headphone can adjust the volume.
2. The font of the tubes may not be printed clearly, but they have passed our tests before delivery. Please use with ease.
3. Its USB interface is used for computer decoding/mobile phone OTG input. It is not for U disk to play music.

Specifications:
- Chip architecture: CM6642 + QCC3034+NE5532 + classic 47
- PC-USB input sampling frequency: 192K/24Bit
- THD: 0.01%
- Supported PC-USB system: For XP/Win 7/Win 8/Win 10/MAC/Linux
- Bluetooth VER: 5.0
- Headphone matching impedance: 32-300Ω
- Signal-to-noise ratio: 103dB
- Headphone maximum power output: 160mW 32Ω load
- Working voltage: DC12V
- Bass and Treble Range: ±6dB
- RCA output level: 2.3V
- Frequency range: 20Hz-20kHz (±3dB)
- Dimensions: 180 x 118 x 36mm/7.1 x 4.6 x 1.4"
- Product weight: 0.47KG/1LB

Package Included:
- 1 x P1 Preamplifier
- 2 x Vacuum Tubes
- 1 x Power Adapter
- 1 x USB Cable
- 1 x Bluetooth Antenna
- 1 x User Manual