Khadas Tone2 Pro DAC Amp User Manual

1. Nhanganyaya

The Khadas Tone2 Pro is a high-performance desktop Digital Analog Converter (DAC) and Headphone Amplifier designed to deliver an exceptional audio experience. It features MQA decoding support, a powerful ampkusimudzira stage, and advanced power-noise isolation, all within a compact and innovative design.

Khadas Tone2 Pro DAC Amp — Figure 1: Khadas Tone2 Pro Desktop DAC Amp.

Zvinhu zvakakosha zvinosanganisira:

MQA Decoding Support: Utilizes the onboard XMOS XU216 processor for bit-perfect, hardware-native unfolding of MQA data, ensuring original master quality audio reproduction.
Powerful Amplifier: Equipped with an ESS ES9038Q2M DAC, four OPA1612 operational amplifiers, and three buffer amplifiers, enabling it to drive headphones up to 150 ohms.
Power-Noise Isolation: Features a second USB-C port for a dedicated 5V linear power supply, allowing for excellent power-noise isolation while maintaining USB-C data connection.
Compact Design: A slim aluminum enclosure with a unique design, making it portable and suitable for desktop use. Includes an industry-first balanced RCA line-out.
Kuita Kwepamusoro: Supports up to 32bit 768KHz sample rate, Coaxial Input 192KHz 24bit, bit-perfect DSD512, and -118dB THD+N.

2. Setup

Follow these steps to set up your Khadas Tone2 Pro for optimal audio performance.

2.1 Kubatanidza kune yako mudziyo

The Tone2 Pro offers versatile connectivity options:

USB-C Inzwa Zvinotaurwa: Connect the Tone2 Pro to your computer, smartphone, or tablet using a USB-C cable. This port handles both data and power.
USB-C (I2S) Input: A second USB-C port is available for connecting an external 5V linear power supply. This dedicated power input helps to minimize noise and improve audio clarity.
3.5mm Unbalanced Headphone Output: Zvemahedhifoni akajairwa.
Kubuda Kwemahedhifoni Akaenzana e4.4mm: For balanced headphones, offering improved sound separation and power.
RCA Line-Out: Features an industry-first balanced RCA line-out with three signal pins (positive, negative, ground) for connecting to legacy XLR-3 equipment using a compatible Khadas Balanced RCA Male to XLR-3 Male Hi-Fi Audio Cable.

Khadas Tone2 Pro connections — Mufananidzo 2: Kumashure view of Khadas Tone2 Pro showing various input and output ports.

Khadas Tone2 Pro connected to a laptop — Figure 3: Khadas Tone2 Pro in a typical desktop setup with a laptop and headphones.

2.2 Driver Installation (if required)

For Windows operating systems, driver installation may be required for optimal performance. Please visit the official Khadas website for the latest drivers and installation instructions. macOS and Linux systems typically do not require additional drivers.

3. Operating Instructions

Understand the functionality of your Tone2 Pro for an enhanced listening experience.

3.1 Multifunctional Volume Knob

The Tone2 Pro features a hybrid digital/analog volume control knob. This knob allows for precise volume adjustments and also serves multiple functions through various push and twist combinations. Refer to the quick start guide for detailed instructions on navigating menus and selecting options.

Khadas Tone2 Pro with volume knob — Figure 4: The multifunctional volume knob on the Khadas Tone2 Pro.

3.2 Kutamba kweMQA

The Tone2 Pro supports MQA decoding, allowing you to experience master quality audio. Ensure your audio playback software is configured to output MQA content to the device for full unfolding.

3.3 Headphone Compatibility

Vane simba ampkusimudzira stage of the Tone2 Pro enables it to drive a wide range of audiophile-grade headphones with impedances up to 150 ohms, providing clear and dynamic sound.

3.4 Inotakurika Kushandisa

Despite its desktop capabilities, the Tone2 Pro's compact and lightweight design makes it suitable for portable use, allowing you to enjoy high-fidelity audio wherever you go.

Khadas Tone2 Pro compact design — Figure 5: Khadas Tone2 Pro demonstrating its compact size next to a smartphone.

3.5 Vhidhiyo Yepamutemo Yechigadzirwa

Video 1: An official Khadas video discussing headphone amplification and sound quality, featuring a related portable amplifier. This video provides insights into the audio performance philosophy of Khadas products.

4. Kuchengeta

To ensure the longevity and optimal performance of your Khadas Tone2 Pro, follow these simple maintenance guidelines:

Kuchenesa: Use a soft, dry cloth to wipe the exterior of the device. Avoid using abrasive cleaners, solvents, or aerosol sprays, as these can damage the finish or internal components.
Kuchengeta: Kana usingashandiswe kwenguva yakareba, chengeta mudziyo wacho munzvimbo inotonhorera, yakaoma pasina chiedza chezuva uye tembiricha yakanyanyisa.
Kufefetedza Ensure the device has adequate ventilation during operation. While the Tone2 Pro is designed for efficient heat dissipation, prolonged use in confined spaces without airflow may lead to increased operating temperatures.

5. Kugadzirisa matambudziko

If you encounter any issues with your Khadas Tone2 Pro, please refer to the following common troubleshooting steps:

Hapana Kubuda Munzwi:
- Verify all cables are securely connected to the correct input/output ports.
- Ensure the Tone2 Pro is powered on and the volume knob is not set to minimum.
- Check your computer's or source device's audio settings to ensure the Tone2 Pro is selected as the default playback device.
- If using MQA, confirm your software is correctly configured for MQA passthrough or unfolding.
Inzwi Rakakanganiswa:
- Reduce the volume on both the Tone2 Pro and your source device.
- Iva nechokwadi chekuteerera kwako files are not corrupted or of low quality.
- Check headphone impedance compatibility; the Tone2 Pro supports up to 150 ohms.
Mudziyo Hauzivikanwe:
- Try connecting to a different USB-C port on your computer.
- Restart your computer and the Tone2 Pro.
- For Windows users, ensure the latest drivers are installed from the Khadas website.

If the issue persists after attempting these steps, please contact Khadas technical support.

6. Zvinotsanangurwa

Detailed technical specifications for the Khadas Tone2 Pro.

Feature	Tsanangudzo
Brand	Khadas
Model Number	khadas Tone 2 Pro
ASIN	B08R3RD3FS
Item Weight	8.6 ounces
Product Dimensions	4.72"L x 4.76"W
Maximum Supply Voltage	5 Volts
Minimum Supply Voltage	3 Volts
Nhamba yePini	3
Interface Type	Coaxial, USB
Nhamba yeChannels	3
Zuva Rokutanga Kuwanikwa	Zvita 21, 2020

XMOS XU216 Processor — Figure 6: Close-up of the XMOS XU216 processor, central to the Tone2 Pro's MQA decoding capabilities.

ESS ES9038Q2M DAC Chipset — Figure 7: Diagram illustrating the ESS ES9038Q2M DAC chipset and OPA1612 op-amps for high-quality stereo sound.

7. Warranty uye Tsigiro

Khadas is committed to providing excellent customer service and support for your Tone2 Pro.

7.1 Mushure mekutengesa-Sevhisi

For any after-sales service related to your purchase, please log in to your Amazon account and navigate to Your Account > Orders to manage your product support requests.

7.2 Professional Technical Support

For technical inquiries or advanced troubleshooting, you can contact Khadas directly:

E-mail: support@khadas.com

7.3 Khadas Community Forum

Join the Khadas user community for additional support, discussions, and shared knowledge:

Forum: forum.khadas.com

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Khadas khadas Tone 2 Pro

Khadas Tone2 Pro User Manual