User Guide
Page 3
Headphone amplifier 14 Front Panel 15 Rear Panel 16 Connections 18 Input...18 1. Disassembly 25 2. NB/PC-USB connections 18 2. With Active Speaker directly 21 3. Toslink and Coaxial S/PDIF audio input connections 19 Output......With Headphone/Headset 21 Specifications 22 Opamp Swap Guide 24 1. Swap Guide 25 Audio Precision Test Report 28 Appendix: Glossary 32 USB DAC ( Digital-to-Analog Convertor 13 2. Stand alone DAC 14 3. Contents Safety Information 4 Voltage Selection 4 Repairs ...4 Fuses ...4 Other Safety Information 5 Philosophy 6 Design Story 6 Feature...
Headphone amplifier 14 Front Panel 15 Rear Panel 16 Connections 18 Input...18 1. Disassembly 25 2. NB/PC-USB connections 18 2. With Active Speaker directly 21 3. Toslink and Coaxial S/PDIF audio input connections 19 Output......With Headphone/Headset 21 Specifications 22 Opamp Swap Guide 24 1. Swap Guide 25 Audio Precision Test Report 28 Appendix: Glossary 32 USB DAC ( Digital-to-Analog Convertor 13 2. Stand alone DAC 14 3. Contents Safety Information 4 Voltage Selection 4 Repairs ...4 Fuses ...4 Other Safety Information 5 Philosophy 6 Design Story 6 Feature...
User Guide
Page 7
... our model you will find 11 swappable op-amp sockets. User customizable tone characters with innovative material application and usage. ASUS Essence One Series 7 Aesthetically Pleasing ASUS is well known for its quality control, but beyond the hard and cold facts of humidity storage and drop test, ...ensures that all Hi-Fi headphones with significantly reduced noise level. Ultra-high 120dB SNR for the purest sound The SNR of normal USB DAC is an encoding technology at 1 bit representation of the audio waveform, allowing high reproduction of audio content. Feature Summary • ...
... our model you will find 11 swappable op-amp sockets. User customizable tone characters with innovative material application and usage. ASUS Essence One Series 7 Aesthetically Pleasing ASUS is well known for its quality control, but beyond the hard and cold facts of humidity storage and drop test, ...ensures that all Hi-Fi headphones with significantly reduced noise level. Ultra-high 120dB SNR for the purest sound The SNR of normal USB DAC is an encoding technology at 1 bit representation of the audio waveform, allowing high reproduction of audio content. Feature Summary • ...
User Guide
Page 8
...USB DACs on the market only comes with less listening fatigue. Not to mention that user can easily cause damage to your headphones. This is a higher quality output that is identical to the original audio file. XLR connectors should be a problem. Ground; Cold (phase-inverted). 8 ASUS Essence One... Series Minimal Clock Jitter with both headphone and speaker. Toslink and Coaxial S/PDIF inputs: The Essence One Series is fitted with Asynchronous Data Transfer: Most USB audio uses Synchronous Data Transfer mode to adjust...
...USB DACs on the market only comes with less listening fatigue. Not to mention that user can easily cause damage to your headphones. This is a higher quality output that is identical to the original audio file. XLR connectors should be a problem. Ground; Cold (phase-inverted). 8 ASUS Essence One... Series Minimal Clock Jitter with both headphone and speaker. Toslink and Coaxial S/PDIF inputs: The Essence One Series is fitted with Asynchronous Data Transfer: Most USB audio uses Synchronous Data Transfer mode to adjust...
User Guide
Page 10
... • Upsampling is the process of increasing the sampling rate of Use & Customization • DSD Support DSD Support for USB 2.0 10 ASUS Essence One Series Signal Management • 4-Layer Hyper grounding with balanced design 4 layer PCB board for separating Digital and Analog signals on .... The more detail with less listening fatigue. • 384kHz/ 24Bit 8X Upsampling Technology While common upsampling USB DACs just transfer whatever audio source to 192kHz indistinguishably, Essence One Series upsamples 44.1/88.2 /176.4kHz input to 352.8kHz and 48/96/192kHz input to 384kHz in...
... • Upsampling is the process of increasing the sampling rate of Use & Customization • DSD Support DSD Support for USB 2.0 10 ASUS Essence One Series Signal Management • 4-Layer Hyper grounding with balanced design 4 layer PCB board for separating Digital and Analog signals on .... The more detail with less listening fatigue. • 384kHz/ 24Bit 8X Upsampling Technology While common upsampling USB DACs just transfer whatever audio source to 192kHz indistinguishably, Essence One Series upsamples 44.1/88.2 /176.4kHz input to 352.8kHz and 48/96/192kHz input to 384kHz in...
User Guide
Page 11
... When you run bit-perfect in Windows, the "BIT PERFECT" LED in the front panel will light up. Component Selection • DAC: TI PCM1795: Excellent dynamic performance (123dB dynamic range) and improved tolerance to clock jitter • DSP: ADI ADSP-21261 High-performance...Package contents This package should contain the following: • Essence One Series Hi-Fi USB DAC x 1 • USB cable ('B-A' type) x 1 • Power cord x 1 (Some versions may have 2 power cords for each model on ASUS website at www.asus.com ASUS Essence One Series 11 • Bit Perfect Mode Bit-perfect mode allows...
... When you run bit-perfect in Windows, the "BIT PERFECT" LED in the front panel will light up. Component Selection • DAC: TI PCM1795: Excellent dynamic performance (123dB dynamic range) and improved tolerance to clock jitter • DSP: ADI ADSP-21261 High-performance...Package contents This package should contain the following: • Essence One Series Hi-Fi USB DAC x 1 • USB cable ('B-A' type) x 1 • Power cord x 1 (Some versions may have 2 power cords for each model on ASUS website at www.asus.com ASUS Essence One Series 11 • Bit Perfect Mode Bit-perfect mode allows...
User Guide
Page 12
... and accept it before continuing the installation. 5. System requirements To ensure a successful installation of the ASUS Essence One Series USB DAC, your computer must meet the following requirements: • IBM compatible PC with one USB2.0 (or higher) compatible port for the USB audio device • Microsoft® Windows® XP/7/8/8.1 (32/64 Bit) / MacOSX 10.6 • Intel...
... and accept it before continuing the installation. 5. System requirements To ensure a successful installation of the ASUS Essence One Series USB DAC, your computer must meet the following requirements: • IBM compatible PC with one USB2.0 (or higher) compatible port for the USB audio device • Microsoft® Windows® XP/7/8/8.1 (32/64 Bit) / MacOSX 10.6 • Intel...
User Guide
Page 13
Steps: • Connect PC/NB with an USB cable • Need to work • Select "USB" in PC/NB, with all the connection(XLR, RCA) you need for end devices. Functionality 1. USB DAC ( Digital-to-Analog Convertor) Clear, detailed, life-like sound for your PC/NB to install driver in your digital music collection in front panel as the input source or PC NB USB ASUS Essence One Series 13
Steps: • Connect PC/NB with an USB cable • Need to work • Select "USB" in PC/NB, with all the connection(XLR, RCA) you need for end devices. Functionality 1. USB DAC ( Digital-to-Analog Convertor) Clear, detailed, life-like sound for your PC/NB to install driver in your digital music collection in front panel as the input source or PC NB USB ASUS Essence One Series 13
User Guide
Page 14
...the input source S/PDIF CD/DVD player COAXIAL L R UNBALANCED OUTPUT R L BALANCED OUTPUT TOSLINK USB DIGITAL INPUT 230 VOLTAGE SELECTOR AC IN 3. Stand alone DAC With S/PDIF in and input select, it also serves as an independent DAC which connects with S/PDIF input (by Coaxial/Optical cable) • Select COA (coaxial input... providing extra dynamics and sound details. Headphone amplifier Grants 100% performance of ALL hi-end headphones, even with high-quality headphones/headsets 14 ASUS Essence One Series 2. Steps: • Connect with impedance up to the end devices.
...the input source S/PDIF CD/DVD player COAXIAL L R UNBALANCED OUTPUT R L BALANCED OUTPUT TOSLINK USB DIGITAL INPUT 230 VOLTAGE SELECTOR AC IN 3. Stand alone DAC With S/PDIF in and input select, it also serves as an independent DAC which connects with S/PDIF input (by Coaxial/Optical cable) • Select COA (coaxial input... providing extra dynamics and sound details. Headphone amplifier Grants 100% performance of ALL hi-end headphones, even with high-quality headphones/headsets 14 ASUS Essence One Series 2. Steps: • Connect with impedance up to the end devices.
User Guide
Page 25
... (slot 2), you need to change all slot 1. Push the power connector on the rear panel to change DAC I/V (slot 1), you need to change the OP-amps of the same types in all the OPamps of ... screwdriver. 1. Disassembly 1. Front Panel POWER UPSAMPLING COA TOS INPUT USB MUTE BIT PERFECT 192 176.4 96 _ + VOLUME 88.2 48 44.1 _ HEADPHONE + VOLUME Essence One Rear Panel COAXIAL L R UNBALANCED OUTPUT R L BALANCED OUTPUT TOSLINK USB DIGITAL INPUT 230 VOLTAGE SELECTOR AC IN 2. ASUS Essence One Series 25 Swap Guide Change all slot 2. COAXIAL L R UNBALANCED...
... (slot 2), you need to change all slot 1. Push the power connector on the rear panel to change DAC I/V (slot 1), you need to change the OP-amps of the same types in all the OPamps of ... screwdriver. 1. Disassembly 1. Front Panel POWER UPSAMPLING COA TOS INPUT USB MUTE BIT PERFECT 192 176.4 96 _ + VOLUME 88.2 48 44.1 _ HEADPHONE + VOLUME Essence One Rear Panel COAXIAL L R UNBALANCED OUTPUT R L BALANCED OUTPUT TOSLINK USB DIGITAL INPUT 230 VOLTAGE SELECTOR AC IN 2. ASUS Essence One Series 25 Swap Guide Change all slot 2. COAXIAL L R UNBALANCED...