Concept-kart-Fosi-Audio-GR40-Black-DAC-AMP-1-_10
Fosi Audio GR40 has 53V working voltage and uses vacuum tubes for a rich sound.
The Fosi Audio has different controls and features on both front and rear panel
The Fosi Audio GR40 comes equipped with the ES9028Q2M DAC Chip and supports upto 32Bit/384kHz
The Fosi Audio also houses the QCC3031 Chip for High resolution and low latency streaming through Bluetooth
The Fosi Audio GR40 is built to be used effortlessly with various audio systems
The Fosi Audio GR40 is solidly built and packed in a compact form factor
The fosi audio is a preamp which also houses a pair of tubes
The vacuum tubes are detachable and GR40 supports multiple tubes
The Fosi Audio GR40 comes standard with the JAN 5725W Vacuum Tubes
The Fosi Audio comes equipped with the ESS9028Q2M DAC chip, which ensures precise signal conversion and reducing distortion
The Fosi Audio G4R40 supports 4 digital modes, a bluetooth connection, bass and treble controls, RCA and headphones output
The fosi audio GR40 Supports codecs like AAC, SBC, aptX
You get Fosi Audio GR40, Blueetooth Antenna, Decorative Rings, 5725W Vacuum Tube, a power adapter and a user manual; all in a single box
How to connect and use Fosi Audio GR40
The fosi audio GR40 supports the dynamic range of 104 dB and sampling rate of 256 DSD

Fosi Audio

Fosi Audio GR40 ESS9028Q2M Tube DAC Preamplifier With Bluetooth

Sale price₹ 12,490Regular price MRP:₹ 19,999

    ES9028Q2M DAC Supports PCM 32bit/384kHz and DSD256

    Qualcomm QCC3031 Bluetooth 5.1 with Multiple Codec Support

    Dual GE 5654W Vacuum Tubes in Preamp Stage

    USB-C, Optical, Coaxial, and Bluetooth Inputs

    RCA Line Out and 3.5mm Headphone Jack

    CNC-Machined Aluminum Alloy Chassis

Out of stock

Pickup currently unavailable at Naraina, New Delhi

Description

The Fosi Audio GR40 is a compact DAC and preamplifier featuring the ES9028Q2M DAC chipset and Qualcomm QCC3031 Bluetooth 5.1 module. It supports high-resolution audio playback up to PCM 32bit/384kHz and native DSD256. The device includes dual GE 5654W vacuum tubes in the preamp stage, offering both digital and analog input options. Outputs include RCA line out and a 3.5mm headphone jack. The frame is constructed from CNC-machined aluminum alloy for durability and stability.

HIGH-RESOLUTION AUDIO WITH ES9028Q2M DAC

This Digital-To-Analogue Converter uses the ES9028Q2M 32-bit stereo DAC. This chip delivers a dynamic range of up to 129dB and total harmonic distortion plus noise (THD+N) of- 120dB. It supports PCM audio up to 32bit/384kHz and native DSD256. This chip operates with low power consumption, typically 83mW in normal mode, and is designed for high-fidelity audio systems requiring accurate digital-to-analog conversion.

WIRELESS CONNECTIVITY WITH QUALCOMM QCC3031

The GR40 DAC features Bluetooth 5.1 wireless connectivity powered by the Qualcomm QCC3031 chipset. It supports multiple audio codecs, including aptX, aptX-HD, and aptX Low Latency, allowing for stable, high-quality audio transmission with reduced delay. Wireless input selection is seamless, ensuring compatibility with a wide range of Bluetooth devices for flexible audio streaming.

HIGH-FIDELITY AUDIO WITH LOW NOISE AND DISTORTION

The Fosi Audio GR40 delivers ultra-clean sound with a high signal-to-noise ratio and low total harmonic distortion. The ESS9028Q2M DAC chip provides detailed audio reproduction, while the dual GE 5654W vacuum tubes in the preamp stage contribute to a natural and balanced sound profile. The design ensures accurate playback across a wide frequency range, maintaining clarity and minimizing unwanted noise.

HIGH-GRADE DUAL GE 5654W VACUUM TUBES

This Fosi Audio DAC and Amp incorporates dual GE 5654W vacuum tubes in its preamplifier stage. These tubes add warmth and richness to the audio signal, enhancing the listening experience with natural harmonic distortion. The tube design helps smooth out harsh digital sounds, providing a more musical and engaging tone while maintaining clarity and detail.

MULTI-SOURCE CONNECTIVITY

The Fosi Audio GR40 offers versatile input options for seamless integration into any audio setup. It features four input ports: USB-C for high-resolution digital audio, optical input, coaxial S/PDIF, and Bluetooth 5.1 for wireless streaming. This multi-source connectivity allows you to connect to a wide range of devices, including computers, CD players, TVs, and smartphones, ensuring flexibility and convenience for all your listening needs.

ACCESSIBLE CONTROL PANEL FOR CUSTOM AUDIO

The Fosi Audio GR40 is built with a precision CNC-machined aluminum chassis, offering both durability and a sleek, modern appearance. Its compact frame measures 200 x 180 x 60 mm and weighs 800g, making it sturdy yet space-efficient for desktop or hi-fi rack setups. The aluminum construction not only enhances the device’s longevity but also provides effective shielding against electromagnetic interference, ensuring stable performance and clean audio output.

Shipping Policy

FREE SHIPPING ON ALL ORDERS

At Concept Kart, we offer FREE standard shipping on all orders across India. Orders placed before 2 PM are usually dispatched on the same working day, while orders placed after 2 PM are dispatched on the next working day (excluding Sundays and public holidays) from our Delhi warehouse.

Delivery usually takes 1–2 business days in Delhi, the next working day in metro cities, and 2–7 business days in other locations after dispatch. We use trusted courier partners, including BlueDart and Delhivery, and share tracking details via email or WhatsApp. For prepaid orders, OTP verification is required at delivery for added security. Share the OTP only after receiving your package.

COD is available for orders between ₹1,500 and ₹10,000, with cash handling charges of ₹50 (up to 1 kg) and ₹100 (above 1 kg), displayed at checkout.

Delivery may be delayed due to festivals, extreme weather, floods, protests, or courier disruptions. Pre-orders follow the estimated timelines mentioned on their product pages.

For shipping or delivery assistance, contact customercare@conceptkart.com with your order number.