TUBE-T5C Bluetooth 5.0 Tube Preamplifier 6*1N Treble Bass Tube USB DAC Headphone Amplifier Decoder

TUBE-T5C Bluetooth 5.0 Tube Preamplifier 6*1N Treble Bass Tube USB DAC Headphone Amplifier Decoder

Advantages:
- Bluetooth preamp
- Bluetooth 5.0
- 6*1N tubes
- USB DAC
- Headphone Amplifier
- Treble and bass gains
- For aptX LL transmission
- PC-USB input supports 24bit/192K
- RAC input
- QCC3008 Bluetooth chip
- CM6642 USB chip
- 3.5mm tube headphone amplifier

Features:
- Bring you audiovisual experience of being on the spot.
- Meet your needs for watching movies, listening to music, playing games, singing, entertainment, etc.
- Bluetooth 5.0 supports for aptX LL. Signal connection is faster and more stable, restores lossless HiFi sound quality transmission, 10 meters long distance.
- Strong compatibility. It can be connected to mobile phones, tablet PC, portable MP3/MP4 and other Bluetooth devices.
- Bluetooth chip adopts imported QCC3008 chip, Bluetooth 5.0 supports for aptX/aptX LL and other protocols, and the transmission is faster and more stable. Provide high-quality wireless audio performance, making the sound quality closer to CD level.
- QCC3008 module supports dual channels. It is for APT-X, HFP, A2DP, I2S, TWS.
- Support PC-USB input. The USB chip uses CM6642, the PC-USB input supports 24bit/192kHz lossless decoding, and is compatible with the system for Windows/Mac/Linux, and supports computer decoding and mobile phone transmission. *This interface does not support U disk or mobile hard disk. System for Android requires an OTG adapter, and system for IOS requires a camera kit. (Please prepare by yourself)
- Treble and bass independent adjustment design. With treble and bass independent gain adjustment knob design, sound quality is under your control.
- Two imported HiFi 6*1N tubes are used. The sound is pure, restoring high-fidelity music.
- Independent headphone amp for headset users. It fits headphones within 300Ω and mainstream headsets on the market.
- Dual op amp NE5532P.
- Two amp parts and two preamp parts all use NE5532P dual op amps. With op amp IC holder, it is convenient to directly replace and upgrade the op amp.
- Complete wireless/digital/analog input ports: Bluetooth, PC-USB, RCA input. High-fidelity connection with most devices such as computers, for iPods, mobile phones, MP 3, TVs, CDs, Blu-ray players, etc., to achieve high-quality lossless audio transmission and enjoy HIFI sound quality.
- Three inputs (Bluetooth, PC-USB, RCA). Two outputs (RCA, 3.5mm headphone jack).
- CNC polished all-aluminum black body, with anodized oxidation and fine sandblasting, is firm and textured. The appearance is exquisite and compact, with four non-slip silicone feet at the bottom. When it is placed on the desktop, it is stable and does not take up much space.
- High-end audio internal architecture. Bluetooth 5.0 chip adopts QCC3008, for APTX, APTX LL low-latency and lossless transmission. USB chip uses CM6642, which supports 24bit 192kHz lossless input. Classic pure analog 47 amp architecture is enough to drive 300 ohm headphones. NE5532*5 dual op amp match, reasonable circuit layout and selection of high-quality components to ensure product quality and high-fidelity HIFI sound quality.

Specifications:
- Product model: TUBE-T5C
- Working voltage: DC 12V (with 12V1.5A power supply)
- Frequency response range: 20Hz-20KHz (±3dB)
- Audio input: Bluetooth 5.0/PC-USB/RCA
- Audio output: RCA/3.5mm headphone jack
- Chip architecture: QCC3008+CM6642+97220+NE5532P
- Signal to noise ratio: ≥110dB (when RCA input)
- Distortion: 0.02%
- PC-USB input sampling rate: 24bit/192kHz. For XP/Win 7/Win 8/Win 10/MAC/Linux
- Headphone impedance: 16-300Ω
- Maximum output power of earphone: 150mW (32Ω load)
- Input sensitivity: 0.775V
- RCA output level: 1.4Vrms
- High and bass gain: ±6dB
- Product size: 128*133*33mm (LxWxH)

Package Included:
- 1 x Set of Tube Preamp

Note:
- It is assembled.
- Its PC-USB port is for computer decoding or cellphone OTG input, not for U disk.