To celebrate its 15th anniversary, Topping unveils a high-performance DAC / Headphone Amplifier: the DX9. In addition to its very high performance, Topping has given it a meticulous aesthetic with an innovative and unique design. The DX9 incorporates top-quality components, including an AKM AK4499EQ DAC chip. This DAC chip delivers performance equivalent to the integration of no less than two AK4499EXs. In fact, it enables the Topping DX9 to achieve a dynamic range of 131dB and a THD+N of less than 0.0007%. An AK4118AEQ chip handles the reception of optical/SPDIF signals, for very low jitter. On the headphone amplifier side, the DX9 incorporates a discrete NFCA amplifier circuit with 6 modules each comprising 39 transistors. The power supply stage is separate for the DAC and headphone amplifier parts, producing a pure, stable power supply. In terms of aesthetics, the curved case and the two screens with Topping's own Aurora UI interface provide the best possible user experience. In addition, a transparent top plate engraved with Topping's 15-year anniversary logo gives a view of the DX9's perfect circuit design.

A high-performance chipset

Topping has integrated the rare and legendary AK4499EQ 4-channel DAC chip into the DX9. This chip alone achieves the performance equivalent of two AK4499EX chips, with a THD+N of less than 0.00007% and a dynamic range of 131dB. It enables the DX9 to support sampling rates up to PCM 32bit 768kHz and native DSD up to DSD512.
The AK4499EQ DAC chip is coupled to an AK4118AEQ optical/SPDIF signal reception chip for perfect signal reception on coaxial SPDIF, Toslink optical and AES/EBU inputs. Finally, a CPLD works on the clock signal and digital signal optimization to obtain a perfect level of stability and purity.