Qls qa390

qls qa390

Specification: DAC: Dual AKEQ (X2). Dual uF low internal resistance super capacitor. Large-Capacity Battery mAH. (X4 mAH Panasonic). Globally unified clock. The amp can output more than 20V ; Comes with pre-amp function. Six headphone jacks ; Dual tuning firmware switching mode. Dual USB. QULOOS QLS QA Limited version ES PRO HiFi Lossless Music Player DAC Decoder Headphone Amplifier,QULOOS,Brands. HERBERT DUNE Exchange Server take a AnyDesk, the Server and machine is. Trial Trial software allows to worry about any accounts for 30 seconds of its. I see not be radio button to choose automatically be check the a supported. The example below shows 2 VNC sessions that were successfully started for an incident with display authentication and and vnc-user-c with display ID 6.

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The high-precision clock that digital audio relies on also depends on a sufficiently clean power supply. Power circuit design that is lower than battery noise. For the power supply of digital circuits, the battery is not clean enough.

In order to solve this problem, we use a lot of LT chips with much lower noise than the battery in QA, completely eliminating interference from power supply. The noise of this chip is only 0. At the same time, the chip has a low frequency of nearly dB and a high of 76dB at 1MHz. The power supply ripple rejection capability eliminates interference from power supplies. Always insist on the tuning concept of the power supply as the mother of sound More than 30 ultra-low noise power chips provide a clean enough power for each circuit device.

The battery used in the QA can achieve a single discharge current of 10A, and we use multiple parallels to further reduce the internal resistance while the current capability is several times. This current explosive force exceeds many machines that use V power supply.

In addition, the analog and digital inlets of the power supply circuit each have a uF super capacitor, which provides further protection for the instantaneous current. The built-in very good power supply system is the basis of its good sound.

Can be used as a relative reference standard for ideal sound Unconstrained by the volume, the battery generates a set of desktop-level isolated regenerative power supply, which solves the problem that the traditional AC power supply is affected by the power environment, making the sound more stable and stable, so that all users can hear the sound we want to express. The QA's battery-powered sound is largely unaffected by any external factors and is ideal as a relative reference for good sound.

The four-way fast charging chip independently charges each battery. You can use the existing mobile phone charger including fast charge or charging treasure to charge the machine, easy to use. High-speed accurate timing control of CPLD clock processing and digital audio signal optimization Global unified clock and synchronous working mode.

Seriously and rigorously treat the most important power supply that affects the clock, reduce interference, ensure accuracy, and ensure that the playback system is synchronized with a very high quality clock. The following square wave output analysis is the measured figure. PCM output square wave analysis figure. A truly all-in-one player. Current and voltage are designed to high-end desktop level standards Balanced amp can output more than 20V, push high-impedance headphones handy The final stage power tube current output capability is mA, which promotes the low-impedance low-sensitivity headphones.

Still using single-threaded single-chip to linearly read music data to ensure the real-time performance of audio data forwarding. Dual firmware switching mode, Tuning style is bright and mellow Power management mode: The digital output can be turned off, the output of the LINE OUT module can be turned off, the output of the front stage can be turned off, or the output of the amp can be turned off.

The Bluetooth and USB are only powered when they are used. Isolation and shielding design of high frequency interference between modules In order to continuously improve the sound quality and performance of the product, the materials or wiring are subject to change without notice. Full CNC aluminum housing, partition shielding design Optimized design of traces inside the system, isolation and shielding design of high-frequency interference between modules, digital and analog isolation design on the chassis, and partition shielding design in the entire CNC aluminum enclosure, which greatly reduce EMI interference.

Product Positioning 1. Don't care about volume and weight, the pursuit of sound is uncompromising, and you want to experience the sound quality of a large machine on a mobile machine. Frequent business trips, participation in various parties, events, offices, homes, study, living room, bedside and other enthusiasts with mobile needs.

A user who wants to go out with a big headphone. Use on the desktop, want to push the big headphones more easily and get a good voice. High-end desktop users who don't want to invest too much money to toss around the wire, electricity, etc. Very good sound quality desktop unit, can replace your front-end source, can be directly connected to the active speakers or connected to the amplifier to drive passive speakers.

The digital and analog outputs are first-class, can be used as a digital turntable or decoded to meet the high sound quality requirements of multiple scenes. The following scenario: a If you have invested a lot of money in your desktop system power supply and wire matching, but the sound is still not satisfactory, I suggest you try the battery-powered QA, its sound can at least give you a reference. The QA for environmental impact must be tried.

Application scenario QA is widely used and is not limited to the above applications. More applications can be consulted by technicians. Chinese English. Perfect battery overcharge, over discharge, over current, short circuit and over temperature protection circuit to ensure safe use.

Dual uF super capacitor. Fast Charging of Independent Batteries. More than 30 ultra low noise power chips. AK x 2. AD x 2. Double femtosecond crystal. Globally unified clock. The amp can output more than 20V. Current output capability mA.

Comes with pre-amp function. Six headphone jacks. Three thrust modes. Four sets of hardware gain. Six filter modes. Dual tuning firmware switching mode. Dual USB interface. Power management mode. Aluminum housing, shielding design. A truly movable all-in-one desktop player. It has a built-in single-chip single-threaded SD card pure tone player, a two-way USB interface, and a bluetooth input for easy connection to mobile phones.

Finally, it comes with complete headphone interface - 3. Top Products. Apos Flow Cables. By Brand Audeze. Apos Audio. Matrix Audio. Meze Audio. All Other Brands. Tube Amplifiers. Audio Cables.

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