Fully carbon fibre body
Pushing the boundaries of what can be done, the QX13 is made with up to 21 layers of stacked carbon fibre for a lightweight yet durable build. The carbon fibre also allows it to be resistant to interference and heat, while featuring a unique texture and a premium feel.
Extra-large colour display
The QX13 features an extra-large colour display outfitted with Corning third-gen high-strength glass for greater durability and scratch resistance, rare among audio dongles. Multiple newly developed personalised UI themes powered by a 32-bit processor ensure that the user experience is unrivalled among audio dongles, making it just right for you, whether in portrait or landscape mode.
Desktop-grade DAC - Flagship ESS SABRE PRO ES9027PRO
The chip features a fully differential audio architecture design with 8 channels set up in parallel, and is paired with a pair of ultra-low-noise ES9312 regulators for precise output matching on each audio channel. Audio signals are accurately restored thanks to this pair of chips’ optimised power efficiency and effectiveness in reducing clock jitter.
*The ESS SABRE PRO series of DAC chips are mainly used in high-end audio systems and professional audio gear. The first generation of products included the flagship ES9038PRO, and the second generation of products included the new flagship ES9039PRO and EES9027PRO.
6 high-end TI op-amps - Powerful and stable output with high efficiency
The QX13 uses four wafer-level precision-integrated INA1620 chips, with a specially designed internal layout to significantly reduce crosstalk, for no interference between channels even under extreme conditions. Additionally, two low-noise, low-distortion OPA1692 chips are employed to ensure excellent dynamics under various load conditions.
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Patented Desktop Mode - Balancing performance and power consumption
Thanks to its new configuration, optimised audio circuit, and more efficient heat dissipation, the QX13 in desktop mode can deliver power comparable to full-size headphone amplifiers while also significantly reducing power consumption. It also features a high-precision power meter, capable of accurately assessing the power supply capabilities of different USB sources and intelligently adjusting the headphone amplifier’s gain and output power accordingly.
Patent no.: ZL202321946664.8
Digital and analogue separation - Multi-layer shielding
The digital and analogue boards are separated and equipped with a shielding cover for isolation, ensuring precise and dynamic signal processing. This design also effectively absorbs and dissipates heat, enabling effective thermal management and ensuring the QX13 delivers sustained high-power output.
XMOS 16-core XU316
The QX13 has pro-grade USB Audio quality, with high performance, low latency, and support of up to 768Khz/32bit PCM and DSD512 native decoding. Dual ultra-low phase noise, low temperature drift femtosecond crystal oscillators ensure that audio of various sampling rates is correctly handled for the best sound quality. The XMOS XU316 also allows for a 10-band lossless PEQ, which can be tuned either via the Android FiiO Control app or through the web, making it easy to dial in your sound.
Specially-designed audio architecture - Rivalling pro DAC and headphone amplifiers
The QX13 condenses audio architecture design found in fairly high-end DAC and headphone amplifiers into a small dongle. The QX13 with its design achieves high-precision conversion of audio signals to the DAC thanks to dual crystal oscillators. The audio signal goes through multiple stages of analogue processing—including LPF voltage amplification, BUF current boosting, and parallel-enhanced current expansion—delivering sound quality comparable to that of professional DAC and headphone amplifiers.
