Fosi Audio K7
Brand: Fosi Audio
₹26,600.00
The Fosi Audio K7 is a versatile desktop DAC and headphone amplifier designed for Hi-Fi listening, gaming and workspace audio. Featuring the AKM4493SEQ DAC, XMOS XU208 USB processor and TPA6120 amplification, it supports PCM up to 32-bit/384kHz, DSD256, Bluetooth aptX HD/LL and up to 2100mW per channel through its 4.4mm balanced output.
K7
Fosi Audio K7
The Fosi Audio K7 serves as a comprehensive desktop audio hub for music, gaming and everyday work setups. Its XMOS XU208 processor, AKM4493SEQ DAC, QCC3031 Bluetooth chipset and TPA6120 headphone amplifier support high-resolution PCM up to 32-bit/384kHz and DSD256. Connectivity includes USB-C, optical, coaxial, Bluetooth and a dedicated 3.5mm microphone input, while 4.4mm balanced, 3.5mm single-ended and RCA outputs provide flexible system integration. With up to 2100mW per channel at 32Ω, an ergonomic angled chassis, dedicated controls and an all-aluminium enclosure, the K7 combines performance with practical desktop operation.
K7
Details & Specifications
Core Hardware & Design
| Brand | Fosi Audio |
|---|---|
| Model | K7 |
| Product Type | Desktop DAC / Headphone Amplifier |
| USB Processor | XMOS XU208 |
| DAC Chip | AKM4493SEQ |
| Bluetooth Chip | QCC3031 |
| Headphone Amplifier | TPA6120 |
| Chassis Material | Aluminium Alloy |
| Display | High-Resolution Status Display |
Digital Audio & Bluetooth
| USB Maximum Resolution | PCM 32-bit / 384kHz, DSD256 |
|---|---|
| Optical Maximum Resolution | PCM 24-bit / 192kHz |
| Coaxial Maximum Resolution | PCM 24-bit / 192kHz |
| Bluetooth Maximum Resolution | PCM 24-bit / 48kHz |
| Bluetooth Version | 5.0 |
| Bluetooth Connection Distance | ≤13m |
| Bluetooth Codecs | SBC / AAC / aptX / aptX HD / aptX LL |
Inputs & Outputs
| Inputs | USB-C / Coaxial / Optical / Bluetooth / 3.5mm Microphone |
|---|---|
| Balanced Headphone Output | 4.4mm |
| Single-Ended Headphone Output | 3.5mm |
| Line Output | RCA |
| Supported Headphone Impedance | 16–300Ω |
| Firmware Upgrade | XMOS Firmware Upgrade via USB-C |
4.4mm Balanced Headphone Output
| Rated Output Power | L+R ≥ 2100mW + 2100mW @ 32Ω (THD+N <1%) |
|---|---|
| Signal-to-Noise Ratio | 121dB |
| THD+N | <0.0002% |
| Dynamic Range | 121dB |
| Noise Floor | ≤6.5µV |
3.5mm & RCA Output Performance
| 3.5mm Rated Output Power | L+R ≥ 600mW + 600mW @ 32Ω (THD+N <1%) |
|---|---|
| 3.5mm SNR | 122dB |
| 3.5mm THD+N | 0.0005% |
| 3.5mm Dynamic Range | 121dB |
| 3.5mm Noise Floor | ≤2.5µV |
| 3.5mm Frequency Response | 20Hz–20kHz (±0.1dB) |
| RCA Output Level | ≥2Vrms |
| RCA SNR | 20Hz–20kHz (±0.1dB) — as provided |
| RCA THD+N | 0.0005% |
| RCA Dynamic Range | 121dB |
| RCA Noise Floor | ≤3µV |
| RCA Frequency Response | 20Hz–20kHz |
Power & USB Compatibility
| Power Input | DC 12V / 2A |
|---|---|
| Windows Compatibility | Windows 7 / 8 / 8.1 / 10 / 11 |
| Windows Driver Requirement | Driver Required |
| macOS Compatibility | Mac OS X – No Driver Required |
| Linux Compatibility | Supported – No Driver Required |
About Fosi Audio
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