Fosi Audio GR40 is an innovative tube preamplifier/amplifier and DAC that features tube technology along with Bluetooth 5.1 connectivity. It incorporates the ESS9028Q2M DAC chip, enabling signal processing capabilities of up to 32 bit/384 kHz and DSD256. The preamplifier’s tube section utilizes two JAN 5654W tubes, contributing to a distinctively warm and rich audio experience. The device’s compact aluminum chassis is meticulously crafted using CNC machining, highlighting its superior build quality.
The front panel is designed with controls that enable precise adjustments of bass and treble, allowing you to customize the audio experience to your liking. Additionally, the device includes a 3.5 mm headphone output, delivering 300 mW at 16 ohms and 40 mW at 300 ohms, making it compatible with a diverse array of headphone types.
Incorporating Bluetooth 5.1 technology based on the Qualcomm QCC3031 chip, the device supports various codecs including aptX, aptX HD, aptX Low Latency, SBC, and AAC. This guarantees reliable signal transmission and superior sound quality in a wireless setup.
Fosi Audio GR40 Specifications:
- Product Type: DAC/Preamp/Headphone Amplifier
- Inputs: 1x USB-C/ 1x optical Toslink/ 1x coaxial/ Bluetooth 5.1
- Outputs: 1x stereo RCA/ 1x headphone output Jack 3.5 mm
- Channels: Stereo (2)
- SNR: 103 dB
- Dynamic range: 104 dB
- THD: ≤ 0.03%
- Headphone impedance: 32Ω-300Ω
- Headphone output power: 300 mW @ 16Ω/ 250 mW @ 32Ω/ 50 mW @ 250Ω/ 40 mW @ 300Ω
- Frequency response: 20Hz-20kHz (±1dB)
- Supported sampling rates: PCM up to 32-bit 384 kHz/ DSD up to DSD256
- Bluetooth Chips: Qualcomm QCC3031
- Bluetooth version: 5.1
- Maximum Bluetooth range: 10m (without obstacles)
- Supported Bluetooth codecs: aptX, aptX HD, aptX Low Latency, SBC, AAC
- Power supply voltage: 12V DC
- Dimensions: 200 x 180 x 60 mm
- Weight: 800 g
- Color: black
