1. Nhanganyaya
The HIFIMAN EF600 is a high-performance desktop balanced headphone DAC (Digital-to-Analog Converter) and amplifier. It integrates HIFIMAN's HYMALAYA PRO R2R DAC technology with a powerful headphone amplifier, offering versatile connectivity options including XLR, RCA, 6.35mm outputs, and high-resolution Bluetooth audio. Designed for home audio environments, the EF600 also functions as a headphone stand, combining functionality with a distinctive aesthetic.

Mufananidzo 1.1: Mberi view of the HIFIMAN EF600 unit.
2. Safety Information
- Verenga mirairo yese usati washandisa mudziyo.
- Chengetedza mudziyo kure nemvura, mwando, uye tembiricha yakanyanyisa.
- Usaedze kuputsa kana kugadzirisa mudziyo wega. Tumira mabasa ese ekugadzirisa kuvashandi vane hunyanzvi.
- Ita shuwa kufefetera kwakaringana kutenderedza unit kudzivirira kupisa.
- Use only the specified power supply and cables.
- Adjust volume levels responsibly to protect your hearing.
3. Package Zviri mukati
Tarisa uone kuti zvinhu zvese zviripo mupakeji:
- HIFIMAN EF600 Unit
- Power Cable
- USB Cable (Type-A to Type-B or Type-C)
- Mushandisi Chinyorwa (gwaro iri)
4. Zvigadzirwa zveChigadzirwa
- HYMALAYA PRO R2R DAC: Features advanced R2R DAC technology for low distortion, low noise, and efficient power consumption.
- Powerful Balanced Output: Delivers 5.12W per channel, suitable for driving a wide range of headphones.
- Dhizaini Yekupisa Yakagadziridzwa: Engineered with a tower case design for convection cooling, placing the center of gravity at the bottom and cooling at the top for stable operation.
- Kubatana kwakasiyana-siyana: Includes USB-B, USB-C, Coaxial, RCA, and Balanced XLR inputs, along with XLR 4-pin balanced and 6.35mm single-ended headphone outputs, and XLR balanced/RCA single-ended line outputs.
- High-Resolution Bluetooth: Supports multiple Bluetooth codecs, including aptX-HD, for high-fidelity wireless audio streaming.
- Integrated Headphone Stand: The unit's design allows it to function as a convenient headphone stand.

Figure 4.1: Internal design and thermal management of the EF600.
5. Kudzora uye Kubatana
5.1 Pamberi Panel

Mufananidzo 5.1: Zvinodzora mapaneru epamberi uye zviratidzo.
- Gain/OS Indicators: Display current gain mode (High/Low) and Oversampling (OS) or Non-Oversampling (NOS) status.
- Input Indicators: Show the active input source (USB/Coaxial, Bluetooth, RCA, Balanced In).
- Input Selectors (Left/Right): Buttons to cycle through available input sources.
- Kudzora inzwi: Rotary knob to adjust output volume.
- XLR 4-Pin Balanced Headphone Output: Zvemahedhifoni akaringana.
- 6.35mm Single-ended Headphone Output: For single-ended headphones.
5.2 Rear Panel

Mufananidzo 5.2: Rear panel connections.
- Makaralı kanyanga: Kuti ubatanidzwe neBluetooth isina waya.
- Kupinda kwe USB-B: Connect to a computer or other USB audio source.
- Type-C Input: Connect to devices with USB-C output.
- Coaxial Input: Kuisa odhiyo yedhijitari.
- XLR Balanced Input (L/R): Analog balanced audio input.
- RCA Single-ended Input (L/R): Analog single-ended audio input.
- XLR Balanced Output (L/R): Analog balanced line output to external amplifiers kana vatauri vanoshanda.
- Simba Chinobatanidza: Yekubatanidza tambo yemagetsi yeAC.
- Simba Chinja: Kubatidza kana kudzima unit.

Mufananidzo 5.3: Panel yekumberi neyekumashure pamusoroview with OS compatibility notes.
6. Setup
6.1 Kuiswa
Place the EF600 on a stable, flat surface. Ensure adequate space around the unit for proper ventilation, especially at the top, to facilitate convection cooling. The unit's design allows it to serve as a headphone stand, providing a convenient storage solution for your headphones.

Figure 6.1: EF600 used as a headphone stand.
6.2 Simba Connection
- Before connecting the power cable, locate the AC 115V/230V voltage selector switch pane yekumashure.
- Ensure the switch is set to the correct voltage for your region (e.g., AC 115 for North America, AC 230 for Europe).
- Connect the provided power cable to the power connector on the rear panel and then to a suitable AC power outlet.

Mufananidzo 6.2: AC Voltage Selector.
6.3 Kubatanidza Matsime Enzwi
The EF600 offers multiple input options:
- USB-B / USB-C: Connect your computer, smartphone, or other digital audio source using a compatible USB cable. For Windows 10 and earlier operating systems, additional drivers may be required.
- Coaxial: Connect digital audio sources such as CD players or media streamers via a coaxial cable.
- RCA Single-ended Input: Connect analog audio sources like preampmafirita kana phono stages using RCA cables.
- XLR Balanced Input: For high-quality analog balanced audio input from compatible sources.
6.4 Connecting Headphones or External Amplifiers
The EF600 provides several output options:
- XLR 4-Pin Balanced Headphone Output: For headphones equipped with a 4-pin XLR balanced connector.
- 6.35mm Single-ended Headphone Output: Zvemahedhifoni ane chinobatanidza chimwe chete chine 6.35mm (1/4 inch).
- XLR Balanced Output (L/R): To connect the EF600's DAC output to an external balanced amplifier kana vatauri vanoshanda.
- RCA Single-ended Output (L/R): To connect the EF600's DAC output to an external single-ended amplifier kana vatauri vanoshanda.
7. Kushanda
7.1 Simba On/Kudzima
Flip the power switch on the rear panel to the 'ON' position to power on the unit. Flip it to 'OFF' to power down.
7.2 Sarudzo yekupinda
Use the Left and Right Input Selector buttons on the front panel to cycle through the available input sources (USB/Coaxial, Bluetooth, RCA, Balanced In). The active input will be indicated by the corresponding LED on the front panel.
7.3 Zvirongwa zvekuwana
The EF600 features different gain modes (High Gain, Low Gain) and Oversampling (OS) or Non-Oversampling (NOS) modes. These settings can be selected via the input selector buttons, and their status is indicated by the LEDs on the front panel. Experiment with these settings to find the optimal sound for your headphones and preferences.
7.4 Kudzora Inzwi
Rotate the large volume knob on the front panel to adjust the output level of the connected headphones or line outputs. Start with a low volume and gradually increase it to a comfortable listening level.
7.5 Bluetooth Pairing
- Ensure the Bluetooth antenna is securely attached to the rear panel.
- Select Bluetooth as the input source using the front panel input selector. The Bluetooth indicator LED will illuminate.
- On your source device (e.g., smartphone, tablet), enable Bluetooth and search for available devices.
- Select 'HIFIMAN EF600' from the list of devices to pair.
- Once paired, the Bluetooth indicator LED on the EF600 may change status (e.g., solid light) to confirm connection.
- The EF600 supports various Bluetooth codecs, including aptX-HD, for high-quality wireless audio.

Figure 7.1: Supported Bluetooth codecs.
8. Kuchengeta
- Kuchenesa: Shandisa jira rakapfava, rakaoma kuchenesa kunze kwechinhu chacho. Dzivisa kushandisa zvinochenesa mvura kana zvinonyungudutsa.
- Kufefetedza Ensure that the ventilation openings are not blocked by dust or debris. Periodically clean them with a soft brush or compressed air.
- Kuchengeta: Kana ukachengeta mudziyo kwenguva yakareba, bvisa simba rawo wouchengeta munzvimbo inotonhorera, yakaoma.
9. Kugadzirisa matambudziko
| Dambudziko | Zvinogona Kukonzera | Solution |
|---|---|---|
| Hapana simba | Power cable not connected; Power switch off; Incorrect voltage selector setting. | Ensure power cable is securely connected. Turn power switch ON. Verify AC voltage selector is set correctly for your region. |
| Hapana ruzha kubva kumahedhifoni | Incorrect input selected; Volume too low; Headphones not properly connected; Faulty headphones. | Select the correct input source. Increase volume. Ensure headphones are fully plugged in. Test with another pair of headphones. |
| Bluetooth pairing yakundikana | Bluetooth not selected as input; Device too far; Interference; EF600 already paired to another device. | Select Bluetooth input. Move source device closer. Ensure no metal objects are near the EF600's antenna. Disconnect from other devices. |
| Kutsiva odhiyo | Source audio quality; Incorrect gain setting; Volume too high; Faulty cable. | Check source audio quality. Adjust gain settings. Reduce volume. Try a different cable. |
| USB input not recognized | Incorrect USB cable; Driver issue (Windows); USB input not selected. | Try a different USB cable. Install necessary drivers for your operating system (if applicable). Select USB input. |
10. Zvinotsanangurwa
| Feature | Tsanangudzo |
|---|---|
| Model Name | EF600 |
| Kubatana Technology | Wired, Wireless (Bluetooth) |
| Wireless Communication Technology | Bluetooth (supports aptX-HD, LDAC, AAC, SBC) |
| Maheadphone Jack | 6.35 mm, XLR 4-pin |
| Output Power | 5.12W per channel (Balanced) |
| Frequency Range | 20 Hz - 20,000 Hz |
| Impedance | 32 Ohm (typical headphone impedance) |
| Material | Metal |
| Product Dimensions | 4.09 x 6.5 x 11.14 inches (104 x 165 x 283 mm) |
| Item Weight | 6.34 pounds (2.88 Makirogiramu) |
| Mugadziri | HIFIMAN |

Mufananidzo 10.1: Zviyero zvechigadzirwa.
11. Warranty uye Tsigiro
HIFIMAN products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the official HIFIMAN websaiti kana kubata basa ravo revatengi zvakananga. Chengetedza humbowo hwako hwekutenga kune warranty claim.





