Mini Bluetooth Vacuum Tube Preamp USB DAC Headphone Amplifier Receiver APTX-HD
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- Multiple inputs and outputs for different purposes: Bluetooth / USB(plug-and-play) / RCA inputs and RCA / 3.5mm headphone jack outputs, L200 can be used as atube Preamp, a USB DAC or a headphone amp to satisfy different requirements of home stereo system.
- QCC3034 Bluetooth chip, supports APTX-LL/APTX-HD, lossless transmission with no delay. PCM5102A independent decoding chip, stronger decoding ability to get clearer sound. 2PCS NE5532 op amps, integrate pre-amplification and tone control, make sound full and mellow.
- Vacuum tube design for better sound: improve everything detail, transparency, immediacy, richness, tone associated with your music. The sound is natural and delicate, warm and soft, dynamic and pleasing. 6J5 can also be replaced to 6J1/6J4/GE5654/6AK5/6*1n according to personal preference.
- Separate control of Treble & Bass: can independently adjust the bass and the specific proportion components in high-frequency sound to perfectly achieve HiFi effects. And with a bypass switch to turn on/off the tone control, more convenient to enjoy original sound.
- Exquisite appearance with proper size looks cool and attractive, perfect functions and powerful performance bring wonderful auditory and visual enjoyment, very suitable for audiophiles who purue HiFi music.
Product Description
Warm tips:
1. Bluetooth input is prior to USB input, if you want USB input please make sure Bluetooth input is disconnected.
2. USB input doesn't support U-disk or Hard-disk, can connect USB interface of computer or mobile phones (Android system needs OTG cable and IOS system needs camera kit, please prepare by yourself).
3. This is a preamp but NOT a amplifier or a phono preamp, CAN'T be used for turntables or passive speakers. The main purpose of L200 is to act as a "buffer" to sweet the sound.
Parameters:
Audio input: Bluetooth/USB/Stereo RCA
Audio output: stereo L/R RCA / 3.5mm headphone jack
Bluetooth version: 5.0
Bluetooth chip: QCC3034 (support SBC/AAC/APTX/APTX-LL/APTX-HD)
USB input sampling rate: 16/24bit 44.1-48KHz
USB input supported system: Win XP/7/8/10/MAC/Linux / phone OTG
Matched headphone impedance: 16-300Ω
Output power of headphone jack: 268mW@16Ω
Treble & Bass range: ±10dB
Frequency response: 20Hz~25KHz (±3dB)
Distortion: 0.1%
S/N Ratio: >98dB
RCA out level: 2V
Working voltage: DC 12V/above 2A (5.5mm/2.5mm)
Dimensions(W*D*H): 131*139*71mm / 5.16*5.47*2.80in
Net weight: 550g / 1.21lb
Package weight: 800g / 1.76lb
Packing List:
1*L200 Tube Preamp
1*DC 12V Power Adapter
1*User Manual
Click Here : ▶▶
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