1. Introducció
The iFi GO bar Kensei is a high-performance portable Digital-to-Analog Converter (DAC) and headphone amplifier designed to enhance your audio experience. This manual provides essential information for setting up, operating, and maintaining your device.
2. Característiques clau
- IEMatch: Built-in feature to reduce hiss from high-sensitivity headphones.
- XBass+ i XSpace: Analogue processing technologies for enhanced bass and soundstage.
- K2HD Technology: Restores high-frequency signals lost during digital conversion for improved audio quality.
- Filtres digitals: Four selectable digital filters for PCM playback (Bit-Perfect, GTO, Standard, Minimum Phase).
- Sortida equilibrada: 4.4mm balanced output with a symmetrical twin-mono output stage and 475mW maximum output power.
- Àudio d'alta resolució: Supports PCM up to 384kHz and DSD up to DSD256.
3. Contingut del paquet
- iFi GO bar Kensei unit
- Cable USB-C a USB-C
- Cable USB-C a Lightning
- Adaptador USB-C a USB-A
- Leather travel case
- Guia d'inici ràpid
- Targeta d'instruccions
4. Producte acabatview
The iFi GO bar Kensei is a compact and robust device, crafted from Japanese stainless steel for durability and enhanced EMI shielding.
4.1. Front Panel (LED Indicators)
Figura 1: Frontal view of the iFi GO bar Kensei with LED indicators for various settings and audio formats.
- PCM SampIndicadors de tarifa: LEDs indicate the current PCM sample rate (e.g., 44/48kHz, 88/96kHz, 176/192kHz, 352/384kHz).
- DSD SampIndicadors de tarifa: LEDs indicate the current DSD sample rate (e.g., DSD64/128, DSD256).
- K2HD Indicator: Illuminates when K2HD processing is active.
- MQA Indicator: Illuminates when playing MQA content.
- XSpace Indicator: Illuminates when XSpace is active.
- XBass+ Indicator: Illuminates when XBass+ is active.
4.2. Side Panel (Controls)
Figura 2: lateral view of the iFi GO bar Kensei displaying the volume controls, settings button, and IEMatch switch.
- Botons de volum (+/-): Ajusteu el volum de sortida d'àudio.
- Botó de configuració: Short press to toggle XBass+ and XSpace. Long press to cycle through digital filters.
- IEMatch Switch: Selects impedance matching for 4.4mm, Off, or 3.5mm outputs to optimize for sensitive headphones or power-hungry headphones.
4.3. Connectivity (Input/Output)
Figure 3: Connection diagram for the iFi GO bar Kensei, illustrating USB-C input and headphone output options.
- Entrada USB-C: Connects to your audio source (PC, phone, HDD).
- Sortida equilibrada de 4.4 mm: Per a auriculars balancejats.
- 3.5mm S-Balanced Output: For single-ended headphones.
5. Configuració
Follow these steps to connect your iFi GO bar Kensei to your audio source and headphones.
5.1. Connecting to a Source Device
Use the provided USB-C to USB-C cable to connect the GO bar Kensei to your smartphone, tablet, or laptop. If your device uses a Lightning port, use the USB-C to Lightning cable. For USB-A ports, use the USB-C to USB-A adapter with the USB-C to USB-C cable.
Video 1: Demonstrates the various connection options for the iFi GO bar Kensei with different source devices.
5.2. Connexió d'auriculars
Plug your headphones into either the 4.4mm balanced output or the 3.5mm S-Balanced output on the GO bar Kensei.
6. Instruccions de funcionament
6.1. Encendre/apagar
The iFi GO bar Kensei powers on automatically when connected to a compatible USB audio source. There is no dedicated power button.
6.2. Control de volum
Use the physical '+' and '-' buttons on the side of the device to adjust the audio output volume. The volume cannot be controlled via the connected source device.
6.3. XBass+ and XSpace
Short press the settings button to toggle XBass+ (analog bass boost) and XSpace (holographic soundstage) features. The corresponding LEDs on the front panel will illuminate when active.
6.4. Digital Filters
Long press the settings button to cycle through the four digital filters for PCM playback: Bit-Perfect, GTO, Standard, and Minimum Phase. The LED indicators will change to reflect the selected filter.
6.5. IEMatch Switch
Use the IEMatch switch on the side to optimize output for sensitive in-ear monitors (IEMs) or power-hungry headphones. Options include 4.4mm, Off, and 3.5mm. This helps reduce background noise and optimize gain.
6.6. Mode Turbo
The device features a Turbo mode which ramps up the gain by 6dB for more power when needed, suitable for demanding headphones.
Video 2: Provides a detailed overview of the iFi GO bar Kensei's features and controls, including XBass+, XSpace, and digital filters.
7. Especificacions
| Característica | Descripció |
|---|---|
| Suport d'alta resolució | PCM 384kHz, DSD256 (12.3MHz), full MQA decoding |
| DAC | Bit-Perfect DSD i DXD DAC de Cirrus Logic |
| Sortides d'auriculars | Balanced 4.4mm, S-Balanced 3.5mm |
| Potència de sortida (RMS) | 475mW @ 32Ω; 7.2V @ 600Ω (Balanced) / 300mW @ 32Ω; 3.8V @ 600Ω (S-Balanced) |
| Impedància de sortida | <1Ω (Balanced) / <1.2Ω (S-Balanced) |
| SNR | 132dB(A) (Balanced) / 109dB(A) (S-Balanced) |
| THD+N | <0.0025% (Balanced @ 600Ω 2V) / <0.0016% (S-Balanced @ 32Ω 1.27V) |
| Resposta de freqüència | 10Hz - 80kHz (-3dB) |
| Consum d'energia | <4 W màx. |
| Dimensions | 65 x 22 x 13.2 mm (2.6" x 0.87" x 0.52") |
| Pes net | 12.7 unces (36 g) |
8. Garantia i Suport
8.1. Garantia
The iFi GO bar Kensei comes with a standard 12-month limited warranty.
8.2. Suport
For technical support or further assistance, please visit the official iFi weblloc o poseu-vos en contacte amb el seu servei d'atenció al client.
