SPECIFICHE
PEQ globale a 31 bande di livello professionale, ad alta precisione e senza perdite.
DAC: chip DAC di punta AKM AK4191 + AK4499EX x 2.
Amp: circuito di amplificazione a transistor di classe AB completamente discreto.
Potenza: 4000 mW + 4000 mW.
Tre oscillatori di femtosecondi a bassissimo rumore di fase
Architettura audio completamente bilanciata
Alimentatore lineare a basso rumore e bassa frequenza da 35 W.
Display: touchscreen LCD da 3,93 pollici.
Rete: Wi-Fi dual-band 2.4G/5G + porta Ethernet 1000M.
Telecomando in dotazione
| General Specifications | |||
| Name/Model | K17 | Hardware solution | SoC: X2000; MCU: ESP32-S3; DAC: AK4191EX+AK4499EQ*2; USB decoding: XU316; Bluetooth decoding: QCC5125; AMP: MJE243G/253G discrete transistor current amplification headphone amplifier |
| Working mode | USB DAC mode/Coaxial decoding mode/Optical decoding mode/Line in mode/Balanced in mode/Bluetooth receiving mode/Streaming media receiving mode/Local playback mode | ||
| Colors | Black/Silver | Weight | About 2750g |
| Dimensions | About 244.6x213x66.8mm | Volume control | Knob/Touch-on-display/Remote control |
| MQA | Supports MQA full decoding | Driver-free mode (Switch mode) | Supported |
| Gain | Ultra high gain mode/Super high gain mode/High gain/Medium gain/Low gain | Bluetooth receiving (5.1) | SBC/AAC/aptX/aptX LL/aptX HD/atpX Adaptive/LDAC |
| Display | 3.93-inch LCD (240*1020) bezel-less screen | Touch-on-display | Supported |
| PEQ | Supports global 31-band PEQ (No PEQ processing in digital output) | FIIO Control | Supports settings through the app |
| WiFi | Supports 2.4G/5G dual-band WiFi | Firmware upgrade | SOC firmware: Upgrade through the rear USB-A port MCU firmware: Upgrade through the rear RS232 port XMOS firmware: Upgrade through the front or rear USB-C port |
| Remote control | Supports IR remote control (only the one included in the accessory) | Knob indicator light | Supports customizing color, brightness, supports always-on indication or RGB pulsing |
| Max. supported sampling rate | USB decoding: Up to 768kHz/32bit; DSD512 (Native) | Screen status indication | Working mode, output mode |
| Coaxial input decoding: Up to192kHz/24bit; DSD64 | Track format, sampling rate | ||
| Optical input decoding: Up to96kHz/24bit | EQ, volume | ||
| Coaxial output: Up to192kHz/24bit; DSD64 | Network status, Bluetooth codec | ||
| Optical output: Up to192kHz/24bit | Gain, time | ||
| Streaming decoding: Up to384kHz/32bit; DSD256 (DOP) | Adaptive impedance | PO: 8~150Ω | |
| Local playback: Up to384kHz/32bit; DSD256 | BAL: 8~350Ω | ||
| Buttons and Ports | |||
| Knob | Power on/off knob*1+Analog output level knob*1+Gain level knob*1+Volume knob with button*1+Menu knob with button*1 | USB port | Type-C USB*3 (Data transmission port*2+RS232 DSP regulating port*1) USB-A*1 (Data transmission port) |
| Balanced headphone out | Standard 4.4mm port*1+XLR4 balanced plug*1 | Headphone out | Standard 3.5mm port |
| Digital optical input port | Optical plug | Digital coaxial input port | RCA plug |
| Digital optical output port | Optical plug | Digital coaxial output port | RCA plug |
| Balanced line output port | XLR3 balanced plug | Single-ended line output port | RCA plug |
| Balanced line input port | Standard 4.4mm port | Single-ended line input port | RCA plug |
| Slide switch | Ground selector switch | Housing grounding terminal | M4 banana plug (Can be directly connected to use) |
| Ethernet port | 1000Mbps | TRIGGER IN port | Standard 3.5mm port |
| Power Supply Parameters | |||
| Power supply | AC 100-120V/220-240V~50/60Hz | Battery capacity | N/A |
| Audio Parameters | |||
| Performance and parameters of headphone output (6.35mm out, USB DAC/Coaxial decoding/Optical decoding, Ultra high gain mode) | |||
| Output power 1 | L+R≥1800mW+1800mW (16Ω, THD+N＜1%) | Output impedance | ＜1Ω (32Ω) |
| Output power 2 | L+R≥1850mW+1850mW (32Ω, THD+N＜1%) | Crosstalk | ≥76dB (1kHz@32Ω) |
| Output power 3 | L+R≥240mW+240mW (300Ω, THD+N＜1%) | THD+N | ＜0.0005% (1kHz/-12dB@32Ω) |
| Noise floor | ＜5μV (A-weighted) | SNR | ≥124dB (A-weighted) |
| Frequency response | 20Hz~20kHz: attenuation＜0.05dB 20Hz~90kHz: attenuation＜3dB |
Peak output voltage | ＞24Vp-p |
| Performance and parameters of headphone output (6.35mm out, USB DAC/Coaxial decoding/Optical decoding, Super high gain mode) | |||
| Output power 1 | L+R≥1800mW+1800mW (16Ω, THD+N＜1%) | Output impedance | ＜1Ω (32Ω) |
| Output power 2 | L+R≥1000mW+1000mW (32Ω, THD+N＜1%) | Crosstalk | ≥76dB (1kHz@32Ω) |
| Output power 3 | L+R≥120mW+120mW (300Ω, THD+N＜1%) | THD+N | ＜0.00056% (1kHz/-9dB@32Ω) |
| Noise floor | ＜5μV (A-weighted) | SNR | ≥121dB (A-weighted) |
| Frequency response | 20Hz~20kHz: attenuation＜0.05dB 20Hz~90kHz: attenuation＜3dB |
Peak output voltage | ＞17Vp-p |
| Performance and parameters of single-ended line output (RCA out, USB DAC/Coaxial decoding/Optical decoding) | |||
| THD+N | ＜0.00053% (1kHz/-10dB@10kΩ) | SNR | ≥121dB (A-weighted) |
| Crosstalk | ≥118dB (1kHz@10kΩ) | Noise floor | ＜2.2μV (A-weighted) |
| Frequency response | 20Hz~20kHz: attenuation＜0.05dB 20Hz~90kHz: attenuation＜3dB |
Line output level | 2.5Vrms (1kHz@10kΩ) |
| Performance and parameters of balanced headphone output (4.4mm/XLR4 out, Coaxial decoding/Optical decoding, Ultra high gain mode) | |||
| Output power 1 | L+R≥1800mW+1800mW (16Ω, THD+N＜1%) | Output impedance | ＜1.5Ω (32Ω) |
| Output power 2 | L+R≥4000mW+4000mW (32Ω, THD+N＜1%) | Crosstalk | ≥119dB (1kHz@32Ω) |
| Output power 3 | L+R≥950mW+950mW (300Ω, THD+N＜1%) | THD+N | ＜0.00049% (1kHz/-13dB@32Ω) |
| Noise floor | ＜7.9μV (A-weighted) | SNR | ≥124dB (A-weighted) |
| Frequency response | 20Hz~20kHz: attenuation＜0.05dB 20Hz~90kHz: attenuation＜3dB |
Peak output voltage | ＞48Vp-p |
| Performance and parameters of balanced headphone output (4.4mm/XLR4 out, Coaxial decoding/Optical decoding, Super high gain mode) | |||
| Output power 1 | L+R≥1800mW+1800mW (16Ω, THD+N＜1%) | Output impedance | ＜1.5Ω (32Ω) |
| Output power 2 | L+R≥3900mW+3900mW (32Ω, THD+N＜1%) | Crosstalk | ≥119dB (1kHz@32Ω) |
| Output power 3 | L+R≥480mW+480mW (300Ω, THD+N＜1%) | THD+N | ＜0.00054% (1kHz/-10dB@32Ω) |
| Noise floor | ＜7.9μV (A-weighted) | SNR | ≥123dB (A-weighted) |
| Frequency response | 20Hz~20kHz: attenuation＜0.05dB 20Hz~90kHz: attenuation＜3dB |
Peak output voltage | ＞34Vp-p |
| Performance and parameters of balanced line output (XLR3, USB DAC/Coaxial decoding/Optical decoding) | |||
| THD+N | ＜0.00045% (1kHz/-10dB@10kΩ) | SNR | ≥125dB (A-weighted) |
| Crosstalk | ≥121dB (1kHz@10kΩ) | Noise floor | ＜2.6μV (A-weighted) |
| Frequency response | 20Hz~20kHz: attenuation＜0.05dB 20Hz~90kHz: attenuation＜3dB |
Line output level | 5Vrms (1kHz@10kΩ) |
