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Topping DX9 15th Anniversary DAC&Headphone Amplifier AK4499EQ Hi-Res Audio Support LDAC with Remote Control Decoder (Black)
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ShareTopping DX9 15th Anniversary DAC&Headphone Amplifier AK4499EQ Hi-Res Audio Support LDAC with Remote Control Decoder (Black)
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Description
Six-channel discrete NFCA high-performance headphone amplifier module. DAC / Headphone amplifier circuits are powered independently. Fully ecological interface configuration. Flagship Design. Balance between practicality and aesthetics. The family's curved aesthetics are integrated into the panoramic sunroof design, providing a precise view. Flagship Chipset. Outstanding performance comes from a powerful core. The rare and legendary DAC chip AK4499EQ powers the DX9 to achieve 132dB dynamic range and THD+N <0.00007% harmonic distortion. The AK4499EQ has four independent channels, which is equivalent to the performance of two flagship AK4499EX. Flagship Power. The self-developed high-performance discrete circuit module. lt achieves incredible low distortion with 39 transistors per module, surpassing all kinds of discrete and integrated headphone amplifier circuits on the market. Multi-modules can cooperate with each otherto achieve the best overall performance. Hybrid relay volume control. The hybrid network of resistor and relay provides high-precision volume control, which greatly optimizes the SNR and noiseat low volume. Relay control is mixed with digital volume to further reduce distortion and improve anti-interference performance. Product Description DX9 DAC PARAMETERS (Line Out/USB In@96kHz) THD+N @1kHz(A-wt): RCA <0.00008%; XLR <0.00007% THD@20-20kHz 90kBw: RCA <0.00015%; XLR<0.00015% SNR @1kHz (A-wt): RCA 127dB; XLR 131dB Dynamic Range @1kHz (A-wt): RCA 127dB; XLR 131dB Frequency Response: RCA 20Hz-20kHz(±0.2dB);20Hz-40kHz(±0.6dB); XLR 20Hz-20kHz(±0.2dB); 20Hz-40kHz(±0.6dB) Output Level: RCA 2.1Vrms @0dBFS; XLR 4.2Vrms @0dBFS Noise (A-wt): RCA <1.0uVrms; XLR <1.3uVrms Channel Crosstalk: RCA -125dB @1kHz; XLR -125dB @1kHz Channel Balance: RCA 0.3dB; XLR 0.3dB Output Impedance: RCA 50Ω; XLR 100Ω DX9 Headphone Amplifier specifications (USB In@96kHz) THD+N @1kHz(A-wt): Single-end headphone jack <0.00010% @Output=550mW(32Ω); <0.00008%@Output=60mW(300Ω); Balance headphone jack <0.00007% @Output=550mW(32Ω); <0.00007% @Output=60mW(300Ω) THD @20-20kHz 90kBW: Single-end headphone jack <0.00060% @Output=550mW(32Ω); <0.00030%@Output=60mW(300Ω); Balance headphone jack: <0.00050% @Output=550mW(32Ω); <0.00030%@Output=60mW(300Ω) SNR @MAX OUT 1kHz (A-wt): Single-end headphone jack 131dB@1kHz; 131dB@1kHz; Balance headphone jack 132dB@1kHz; 132dB@1kHz Frequency Response: Single-end headphone jack 20Hz-20kHz(±0.2dB); 20Hz-40kHz(±0.6dB); Balance headphone jack 20Hz-20kHz(±0.2dB); 20Hz-40kHz(±0.6dB) Output Level: Single-end headphone jack 12 Vpp @G=L; 24 Vpp @G=L; Balance headphone jack 12 Vpp @G=L; 47 Vpp @G=L Noise (A-wt): Single-end headphone jack <1.6uVrms @G=L; <2.4uVrms @G=L; Balance headphone jack <1.3uVrms @G=L; <4.2uVrms @G=L Channel Crosstalk: Single-end headphone jack -98dB@1kHz; Balance headphone jack 121dB@1kHz Gain: Single-end headphone jack G=L 12.5dB (Vrms/FS); G=H 18.5dB (Vrms/FS); Balance headphone jack G=L 12.5dB (Vrms/FS); G=H 24.5dB (Vrms/FS) Channel Balance: Single-end headphone jack 0.3dB; Balance headphone jack 0.3dB Output Impedance: Single-end headphone jack <0.1Ω; Balance headphone jack
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