JCALLY JM7 MAX Visual HiFi DAC Amplifier with CX31993 & SGM8262

JCALLY JM7 MAX is a compact Visual HiFi portable DAC and headphone amplifier featuring the Conexant CX31993 DAC chip and SGM8262 amplifier. Supporting up to 32-bit/384kHz PCM audio decoding and approximately 118mW output power at 32Ω, the JCALLY JM7 MAX is designed for high-resolution wired listening. Explore this USB-C DAC amplifier in Bangladesh at Gadget Breeze.

JCALLY JM7 MAX Visual HiFi Portable DAC Amplifier Overview

The JCALLY JM7 MAX Visual HiFi Portable Amplifier combines digital audio conversion and headphone amplification in a lightweight, portable design. Its dual-chip architecture uses the Conexant CX31993 DAC for digital-to-analog conversion and the SGM8262 amplifier to drive compatible wired earphones and headphones.

The JM7 MAX also features a distinctive visual design with a transparent window, a CNC-machined aluminum alloy housing, and an integrated USB Type-C cable. It is designed for listeners who want a dedicated portable DAC for music, multimedia, and compatible headset applications.

Key Features

• Conexant CX31993 DAC: Dedicated HiFi digital-to-analog conversion chip.
• SGM8262 Amplifier: Additional headphone amplification for compatible wired audio devices.
• 32-bit/384kHz PCM Decoding: Supports high-resolution digital audio playback.
• 118mW Output at 32Ω: Rated maximum output power of approximately 118mW at 32Ω.
• Low-Noise Audio Design: Designed for clear audio reproduction with reduced background noise.
• Visual HiFi Housing: Transparent window reveals the internal chip arrangement.
• CNC Aluminum Alloy: Precision-machined housing with a compact finish.
• USB-C Connectivity: Compatible with supported USB audio devices.
• 3.5mm Headphone Output: Connect compatible wired earphones and headphones.

Conexant CX31993 DAC and SGM8262 Amplifier

The JCALLY JM7 MAX DAC Amplifier features two dedicated audio components: the Conexant CX31993 DAC and the SGM8262 amplifier.

The CX31993 converts digital audio signals from a compatible USB device into analog audio, while the SGM8262 provides additional amplification for connected headphones and in-ear monitors.

This dual-chip arrangement is designed to deliver detailed sound reproduction, improved output capability, and a low-noise listening experience.

High-Resolution 32-bit/384kHz PCM Audio

The JCALLY JM7 MAX supports PCM audio decoding up to 32-bit/384kHz, making it suitable for compatible high-resolution music files and playback applications.

Actual playback resolution depends on the connected device, operating system, music application, and source recording.

118mW Output Power for Wired Headphones

According to JCALLY’s official product information, the JM7 MAX delivers a maximum output power of approximately 118mW at 32Ω.

This output capability makes it a useful portable amplification option for many wired IEMs and headphones. Actual driving performance depends on headphone impedance, sensitivity, and listening volume requirements.

Low-Noise Audio Performance

The JM7 MAX is designed with low-noise audio circuitry to support clear and detailed playback. Its dedicated DAC and amplifier architecture helps maintain signal quality when connected to compatible audio equipment.

Published retailer specifications list an approximately 115dB signal-to-noise ratio and 0.0025% THD+N under specified measurement conditions. These figures are retailer-reported rather than independently verified measurements.

Visual HiFi Design with Aluminum Housing

The JCALLY JM7 MAX Visual HiFi features a transparent window that displays its internal components, creating a distinctive appearance compared with conventional USB-C audio dongles.

The housing uses CNC-machined aluminum alloy construction, combining a compact design with a metal exterior suitable for everyday portable use.

8-Core Silver-Plated Copper Cable

According to published retailer specifications, the JM7 MAX includes a fixed USB Type-C cable featuring an 8-core, 448-strand silver-plated copper conductor arrangement.

The integrated cable provides a convenient connection between compatible USB-C devices and the DAC amplifier.

USB Type-C and 3.5mm Audio Connectivity

The JM7 MAX connects through USB Type-C and provides a 3.5mm single-ended headphone output for compatible wired earphones and headphones.

It supports USB Audio Class 2.0 (UAC2.0) operation with compatible Android smartphones, USB-C iPads, Windows computers, and macOS devices.

Compatibility may vary by device and operating system. UAC1.0-only devices are not listed as supported in the published retailer specifications.

JCALLY JM7 MAX Technical Specifications

Frequently Asked Questions

Which DAC chip does the JCALLY JM7 MAX use?

The JCALLY JM7 MAX features the Conexant CX31993 DAC chip paired with an SGM8262 headphone amplifier.

Does the JCALLY JM7 MAX support 32-bit/384kHz audio?

Yes. JCALLY officially specifies support for audio decoding up to 32-bit/384kHz.

How much output power does the JCALLY JM7 MAX provide?

The manufacturer specifies a maximum output power of approximately 118mW at 32Ω.

Does the JCALLY JM7 MAX need charging?

The JM7 MAX is powered through its USB connection and does not require separate battery charging.

Can the JCALLY JM7 MAX be used with smartphones?

It is designed for compatible USB-C smartphones and other devices supporting USB audio output. Device compatibility should be checked before purchase.

Does the JM7 MAX support a 3.5mm headphone connection?

Yes. Published product specifications identify a 3.5mm single-ended headphone output.

JCALLY JM7 MAX Price in Bangladesh

Explore the JCALLY JM7 MAX price in Bangladesh at Gadget Breeze. Featuring a Conexant CX31993 DAC, SGM8262 amplifier, 32-bit/384kHz PCM decoding, and approximately 118mW output at 32Ω, the JM7 MAX is designed for portable high-resolution wired audio.