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Description
AUDIOCULAR Spark Balanced 4.4mm USB-C DAC & Amp
Turn your USB-C device into a Hi-Res balanced audio setup with the AUDIOCULAR Spark Balanced Portable DAC & Amp. Designed for listeners using 4.4mm balanced IEMs and headphones, Spark Balanced combines the CX31988 Hi-Res DAC, dual 97220 headphone amplifier chips, and a premium 8-strand silver-plated single-crystal copper cable in a compact portable design.
With support for up to 32-bit/384kHz high-resolution audio and up to 70mW output at 32Ω, Spark Balanced is designed to deliver clean, detailed and powerful audio from compatible smartphones, tablets and computers.
Why choose the AUDIOCULAR Spark Balanced?
If your device has USB-C but you want to use 4.4mm balanced IEMs or headphones, Spark Balanced provides a simple way to add a dedicated DAC and headphone amplifier to your setup.
The built-in CX31988 DAC handles high-resolution digital audio up to 32-bit/384kHz, while the dual 97220 amplifier configuration provides amplification for compatible headphones and IEMs. The result is a compact USB-C DAC designed for listeners who want to get more from their portable audio setup without carrying a bulky desktop amplifier.
Designed for 4.4mm Balanced Headphones & IEMs
Spark Balanced features a USB Type-C male input and 4.4mm balanced female output. Simply connect the DAC to a compatible USB-C smartphone, tablet or computer and plug your 4.4mm balanced IEMs or headphones into the output.
The 4.4mm connection is intended specifically for compatible balanced headphones and IEMs. It is not a standard 3.5mm headphone adapter, so make sure your earphones or headphones use a compatible 4.4mm balanced connection.
CX31988 DAC with 32-Bit/384kHz Hi-Res Audio
At the heart of Spark Balanced is the CX31988 DAC, supporting high-resolution digital audio playback up to 32-bit/384kHz.
When paired with compatible high-resolution source material and a capable USB-C device, the DAC is designed to preserve fine musical detail, clarity and channel separation for a more refined listening experience.
Dual 97220 Headphone Amplifiers
Spark Balanced uses a dual 97220 headphone amplifier architecture to provide dedicated amplification for its balanced output.
With up to 70mW of output at 32Ω, it is designed primarily for efficient IEMs and headphones in the 16Ω–32Ω impedance range.
This makes it particularly suitable for portable listening with compatible IEMs and easy-to-drive headphones.
Premium 8-Strand Silver-Plated Cable
The DAC uses an 8-strand silver-plated single-crystal copper cable, combining a premium appearance with a flexible construction for everyday portable use.
The cable design helps maintain reliable signal transmission while keeping the overall DAC compact and easy to carry.
Compact Aluminium-Alloy Construction
Spark Balanced is built with an aluminium-alloy body and acrylic lens detailing, giving it a clean and premium appearance while maintaining a portable form factor.
At approximately 13.5cm in overall length, it can easily be carried with your smartphone, tablet or laptop for listening at home, at work or while travelling.
Clean, High-Resolution Portable Audio
Spark Balanced is engineered around specifications including a 94.4dB signal-to-noise ratio, -94.1dB THD+N at 1kHz, and a 20Hz–20kHz frequency response.
Together with its high-resolution DAC and balanced amplification architecture, these specifications make Spark Balanced a practical choice for listeners looking for a compact USB-C Hi-Fi DAC and 4.4mm balanced headphone amplifier.
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Let customers speak for us
I bought it mainly to use with my IEMs and it actually made a noticeable difference. The sound feels cleaner and has more power compared to my phone’s normal output.
The 7Hz Zero 2 is an absolutely fantastic IEM for the price. The sound is clean, detailed, and well balanced, with punchy bass, clear vocals, and smooth treble. It's my first IEM and i am loving it.
Nice pair of iem’s. A true upgrade for me from 7hz salnotes zero (the OG) Got delivered safely and on time.
Really Recommended as one of the Best DACs. You can also this DAC during Online Calls and Meetings for both on Laptop and Smartphone
One of the Best IEMs with Crisp and Clear Vocals with a Solid Premium Designs
The AUDIOCULAR SPARK Hi-Res Portable DAC Dongle with CX31993 DAC and MAX Amp is a very impressive option for anyone looking to take their mobile audio experience to the next level. Despite its small and portable form factor, it delivers a significant improvement in sound quality compared with the standard audio output found on many smartphones, laptops, and other devices.
The first thing I noticed was the overall improvement in clarity and detail. Music sounds cleaner and more open, with better separation between vocals and instruments. Vocals have a good amount of presence and sound natural, while instruments are easier to distinguish, especially when listening to well-recorded tracks. The bass has good punch and control without overpowering the mids, and the treble provides a nice level of detail without becoming excessively sharp.
The CX31993 DAC does a great job of providing a clean
I’ve been using the AUDIOCULAR D07 CX31993 USB DAC & Amp for a while, and overall I’m quite impressed with what it offers for its size and price. The biggest advantage is its compact and slim design, which makes it very convenient to carry around and use with a laptop, PC, or compatible smartphone.
In terms of sound quality, the D07 provides a noticeable improvement over the built-in audio output of many laptops and phones. The sound feels cleaner and more detailed, with better clarity and separation between instruments. Vocals sound more natural, and there is a good amount of punch and control in the bass without making the overall sound too boomy. It also gives headphones and IEMs a little more power and makes music feel more engaging.
The CX31993-based DAC does a good job of delivering clean audio, and I particularly appreciate the plug-and-play functionality. There’s no complicated setup or additional software required in most cases, which makes it very easy to use. The small form factor is another major plus, especially if you want something portable rather than a bulky desktop DAC/amp.
For casual listening, streaming, gaming, and watching movies, it performs very well. Of course, it shouldn’t be compared with much more expensive dedicated DAC/amp systems, but within its price range, it offers an impressive combination of sound quality, portability, and convenience.
Overall, the AUDIOCULAR D07 CX31993 is a solid choice for anyone looking for an affordable USB DAC & Amp to improve their everyday listening experience. It’s compact, easy to use, and delivers clean and enjoyable sound. Definitely a worthwhile upgrade if you’re currently relying on basic built-in audio.
It one of the best purchases till now
All rounder
Best iem under 10k
Beautiful design
Solid built quality
Good quality cabels
Loved it
It's actually good piece and getting better sound clarity but not must satisfied with bass even though I bought improved bass version
Comfortable fit. Good for extended listening. Details pop out and treble is clean.
Nice Product, The sound quality is poor when the iem is directly connected to phone but the sound quality is very high when it is connected. Fully satisfied.
Really happy with the Salnotes Zero 2. Sound is clear and bass is good without being too much. Vocals sound nice and the earphones are comfortable even after using them for a few hours. Build quality is also decent for the price. Overall, good IEM and worth the money
Damn good and buy foam tips
