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ORIGINAL OPA-Q2.1 SE Desktop DAC & Headphone Amplifier
ORIGINAL OPA-Q2.1 SE Desktop DAC & Headphone Amplifier
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Email : Gre19920309@163.com
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Detail
OPA-Q2.1SE is based on the success of OPA-Q2.1 and OPA-Q3.1, and has been carefully tuned and developed to further upgrade and optimize the product performance and user interaction experience. Original has always been committed to a higher degree of integration, to provide users with a wealth of ways to play, and higher quality of sound performance, so we integrated a higher quality decoding module in the whole machine. q2.1SE uses the second generation of XMOS chip program. It supports PCM 768Khz/32bit and native DSD512 playback, and is perfectly compatible with all high-specification lossless audio sources. The built-in audio-specific clock processing circuitry greatly reduces clock jitter, resulting in a cleaner, more precise sound that retains more detailed information. 
The output section adopts 4 pieces of OPA1612 high-end dual op-amp chips, and audio-grade components, giving the Q2.1SE higher sound quality, and more vivid and atmospheric music performance. In addition, also built-in specially designed low-noise switching power supply, discrete components linear power supply and multiple analog circuits low-noise power supply, the impact of undesirable interference as far as possible will be minimized. 
Under the careful design and tuning of the Original, the Q2.1SE has excellent performance indicators. Up to 126dB signal-to-noise ratio and dynamic range, as low as 0.000142% of the earphone distortion, and as low as 0.000096% of the line output distortion. Such excellent performance, giving users an extremely pure listening performance, the overall leap beyond Q2.1. 
Q2.1SE front output interface, equipped with a four-pin balanced interface, 4.4mm balanced interface, 6.35mm single-ended interface. In the 16Ω impedance, the highest output power of the earphone amplifier up to 2.6 W. Adjustable headphone output gain option for headphone enthusiasts to provide a very high degree of convenience, a machine, easy to manage the vast majority of headphones on the market. The back of the body is equipped with RCA analog output interface, XLR Canon balanced interface, can be connected to an external amplifier or active speakers, expanding a richer play experience. 
Input interface, equipped with Type-C digital input interface, coaxial input interface, optical input interface. There is also Bluetooth reception next to the USB port. 
Input ports (except Bluetooth) all support DSD transmission, coaxial and optical support DoP64; focus on digital decoding scenarios Q2.1SE, the use is also quite simple, a computer, a Q2.1SE, you can easily get high-quality music listening experience!
Compared to previous models, the Q2.1SE has a new digital display screen for volume, input mode, gain and other information. In addition, Q2.1SE is equipped with a full-featured remote control, bringing audiophiles a more intuitive and convenient interactive experience.
The original adhere to the simple family design language, Q2.1SE appearance design as always simple and stable, the material luxury, chassis using a piece of cast aviation aluminum, piggyback arc waistline and open angle bracket type side design, after hours of CNC precision machining and surface treatment, the whole machine temperament jumped out, a better fit for the depth of the home HIFI users to use the habit of aesthetics. 
Q2.1SE is equipped with Qualcomm Bluetooth module, supporting Bluetooth 5.0, and through the LDAC protocol, it can support up to 96Khz/24bit sampling rate, in order to obtain a high-fidelity wireless audio experience beyond the CD level. The Bluetooth module supports APTX-HD, AAC, SBC. rich protocol support brings better device compatibility. 
The newly upgraded Q2.1SE decoding and earphone all-in-one, whether it is functionality, sound or performance performance, all show a very high level. Inherit the traditional heritage of the brand accumulated over the years, always maintain the original (Original) high quality standards. -
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