After the much-anticipated wait, Khadas formally launched their newest Hello-Fi DAC, Tone 2 Professional on December 16th. It’s an ultra-slim desktop DAC that includes a high-end ES9038Q2M DAC chip from Sabre applied sciences together with 4 high-performance OPA1612 Operational Amplifiers. This unit is totally updated with MQA decoding assist to supply a high-quality audio expertise. Nonetheless, the spotlight of Tone 2 Professional is the Balanced RCA plugs which have three layers to offer higher connectivity and performance whereas sustaining their compact dimension.

Simply earlier than the launch of Khadas Tone 2 Professional, the corporate launched all its technical parameters; let’s verify them out.

DAC Efficiency(Balanced RCA)

• THD+N- 0.000126%(-118dB)
• THD+N, A-Weighted- 0.000112%(-119dB)
• Noise- 3.5uVrms
• Noise, A-Weighted- 2.75uVrms
• DNR- 121dB
• DNR, A-Weighted- 123.5dB
• Crosstalk, 200kΩ- >120dB
• Output, 200kΩ- 4.0Vrms
• Frequency Response- 20Hz-20kHz, ±0.15dB

DAC Efficiency(RCA Single-Ended)

• THD+N- 0.000158%(-116dB)
• THD+N, A-Weighted- 0.000141%(-117dB)
• Noise- 2.0uVrms
• Noise, A-Weighted- 1.6uVrms
• DNR- 119dB
• DNR, A-Weighted- 122dB
• Crosstalk, 100kΩ- >118dB
• Output, 100kΩ- 2.0Vrms
• Frequency Response 20Hz-20kHz, ±0.15dB

Headphone Amplifier Efficiency(4.4mm Balanced Port)

• Output Impedance- 2.4Ω
• THD+N, 1kHz, 300Ω- 0.000158%(-116dB)
• THD+N, 1kHz, 150Ω- 0.000158%(-116dB)
• THD+N, 1kHz, 32Ω- 0.000282%(-111dB)
• Noise- <4.2uVrms
• DNR- 121dB
• Max Output @300Ω- 83mW(5.0Vrms)
• Max Output @150Ω- 167mW(5.0Vrms)
• Max Output @32Ω- 211mW(2.6Vrms)
• Max Output @16Ω- 123mW(1.4Vrms)
• Crosstalk, 32Ω- >117dB
• Frequency Response- 20Hz-20kHz, ±0.15dB

Headphone Amplifier Efficiency(3.5mm Single-Ended)

• Output Impedance- 1.2Ω
• THD+N, 1kHz, 150Ω- 0.000200%(-114dB)
• THD+N, 1kHz, 32Ω- 0.000282%(-111dB)
• Noise- <2.4uVrms
• DNR- 119dB
• Max Output @150Ω- 35.3mW(2.3Vrms)
• Max Output @32Ω- 125mW(2.0Vrms)
• Max Output @16Ω- 114mW(1.35Vrms)
• Crosstalk, 32Ω- >69dB
• Frequency Response- 20Hz-20kHz, ±0.15dB

DAC Sampling Price Assist

• USB Enter- PCM 384kHz/32-Bit
• USB Enter- DSD512 Natively
• Coaxial Enter- 192kHz/24Bit

USB Processor

• XMOS XU216, 16 Actual-time Logical Cores

DAC Chipset

• ESS ES9038Q2M, 32-Bit Stereo Cellular Audio DAC

Amplifier Chipsets

• I/V Stage- TI OPA1612x2
• LPF Stage- TI OPA1612x2
• Buffer Stage- RT6863Dx3

Extremely-Low Noise LDOs

• 1xESS ES9311Q, 1.3uVrms(10Hz-100kHz)
• 5xADI ADP151, 9uVrms(10Hz-100kHz)

Jitter Filter Expertise

• Constructed-in Intel Altera MAX V CPLD, Pre-shaping Expertise
• Accusilicon AS318-B Sequence Skilled Audiophile Crystal Oscillator

OS Compatibility

• Home windows 7, 8, 10(Khadas USB ASIO driver required)
• MacOS
• Linux(with UAC2 compliant kernel)
• Android(Assist OTG perform)
• iPadOS & iOS

Rated Voltage

Compliances

• CE, FCC, RoHS

Excessive-Grade Output

Tone 2 Professional has a distortion price of round 0.000126% (Bal RCA) /0.000158% (4.4mm) and low noise ranges of lower than 4.2uVrms to supply superior sound high quality. One can anticipate a crisp output with ultra-low distortion and a pitch darkish, noise-free background of their audio.

Suitable Gears

Tone 2 Professional has 4.4mm and three.5mm output ports with 2.4Ω and 1.2Ω super-low output impedance. It may be conveniently paired with delicate IEMs or headphones with out dealing with any points.

Sturdy Constructed

Every a part of Tone 2 Professional is made utilizing high-grade supplies to supply sturdiness. Its quantity knob and casing are constructed from aircraft-grade aluminum, whereas the underside cowl is constructed from ABS plastic and polycarbonate. With a silicone footpad, this unit retains its place and prevents scratching the floor. This Hello-Fi DAC is available in Three colors- Black, Purple, Blue.

Tone 2 Professional is already up on the market and will be pre-ordered for simply $179.90 (early-bird worth) until January 2nd, 2021. Submit that, it can go as much as its retail worth of simply $199. Shipments for the primary batch will start from 29th December. So hurry, and seize yours now.

To know extra about this Hello-Fi DAC, click on right here.

You can even verify the hyperlink beneath to get an concept concerning the product.

https://www.gizmochina.com/2020/11/26/khadas-tone-2-pro-dac-will-soon-launch-on-hifigo/

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