This is where the 19 QSP shines. Vocals are incredibly front-and-center but not harsh. Norah Jones and Freddie Mercury are presented with a granular "air" that is usually exclusive to R-2R ladder DACs. The QSP synchronization prevents the intermodulation distortion that plagues cheaper quad-DAC implementations (like in some LG phones).
The Quad DAC setup creates a bass texture that is visceral. Sub-bass rumble (listening to Limit to Your Love by James Blake) extends to 20Hz without roll-off. Unlike the "warm" sound of older Sonnix players, the 19 QSP is neutral-cold. Bass is tight, fast, and detailed, but not boosted. Metalheads will love the double-kick separation; EDM fans may want a warmer amp.
The treble is extended to 40kHz (inaudible, but the presence region matters). Hi-hats shimmer without sibilance. The soundstage is holographic. On balanced output, the width surpasses the Fiio M11 Plus ESS. Depth is average, but height is spectacular—you feel cymbal crashes floating above your ears.
The "19 QSP Noise Floor": Plug in ultra-sensitive IEMs (like Campfire Andromeda). The black background is pitch black. No hiss. This is the quietest portable player under $1,000.
Rating: 9.2/10
The 19 QSP Player by Sonnix is a statement. In an age where DAPs (Digital Audio Players) are trying to become smartphones, Sonnix has built a refrigerator for music: cold, efficient, and purely functional. The analog stage is reference-class. The Quad Synchronous Processing eliminates jitter so effectively that it makes 16-bit/44.1kHz CDs sound like high-res masters.
The lack of streaming will kill the deal for 70% of consumers, but for the remaining 30%—the archivists, the purists, the commuters who want to shut off the internet—the 19 QSP is currently the best sub-$1,000 player on the market.
Where to buy: Directly from Sonnix’s global store (shipping takes 3 weeks) or via authorized dealers like Bloom Audio or ShenzhenAudio.
Have you tried the 19 QSP with sensitive IEMs? Share your impedance matching tips in the comments below.
Sonnox is a renowned British audio software company, and "QSP" likely refers to their Quadratic Sidechain Processing technology or is a shorthand for their Oxford EQ plugin which utilizes QSP. 19 qsp player by sonnix
Here is an article regarding the technology and the likely plugin you are inquiring about.
The 19 QSP Player by Sonnix is not the most powerful, the most beautiful, or the most convenient audio player ever made. But it possesses a character that modern devices lack. The QSP sound processing—flawed and glorious in equal measure—turns familiar songs into new experiences. Its lack of connectivity forces you to be intentional about your listening: you curate the playlist, you transfer the files, you press play, and you listen.
For collectors, it remains a fascinating footnote in the history of portable audio—a brave attempt to bring virtual surround sound to the masses. For practical users, it serves as a durable, cheap, and battery-sipping backup player for travel or exercise.
If you find one in good condition, grab it. Just remember to bring your own Mini-USB cable.
Have you owned or used the 19 QSP Player by Sonnix? Share your memories and mods in the comments below. And if you’re looking for detailed firmware guides, check out our companion article: “Rockbox on Sonnix Hardware: A Step-by-Step Tutorial.”
The Rising Star of Sonnix
The Quidditch world was abuzz with excitement as the new season approached. Among the talented young players making waves was 19-year-old Sonnix, a dynamic and daring Quidditch player with a natural flair for the sport. Hailing from a family of modest means, Sonnix had worked tirelessly to hone his skills, and his hard work was finally paying off.
Sonnix's journey to Quidditch stardom began on the outskirts of London, where he grew up playing pick-up games with his friends on broomsticks cobbled together from scraps. His raw talent and fearlessness quickly caught the attention of local Quidditch coaches, who began to recruit him for their teams.
As Sonnix entered his teenage years, his prowess on the pitch became increasingly evident. He was an agile flyer with exceptional reflexes, able to dodge Bludgers with ease and execute daring dives to catch Snitches. His speed, agility, and strategic thinking made him a nightmare to face on the pitch. This is where the 19 QSP shines
Despite his youth, Sonnix was already being touted as one of the most promising young Quidditch players in the British and Irish Quidditch League. At just 19, he had been snapped up by the Wigan Wasps, a top-tier team known for their lightning-fast offense and cunning defense.
The Wasps' coach, the experienced and respected Vivianne Pembroke, had taken Sonnix under her wing, recognizing his immense potential. Under her guidance, Sonnix had rapidly developed into a confident and skilled player, capable of holding his own against the best opponents.
As the new season kicked off, Sonnix was determined to prove himself on the biggest stage. He threw himself into every match, pushing his limits and driving his teammates to perform at their best. The crowds adored him, cheering wildly as he executed breathtaking maneuvers and scored crucial goals.
The opposing team's Beaters were often left bewildered by Sonnix's speed and agility, struggling to keep up with his rapid movements. His Chasers praised his exceptional vision and passing skills, which allowed them to set up scoring opportunities with ease.
But Sonnix's greatest asset was his uncanny ability to stay focused under pressure. Even when faced with the most intense opponents, he remained cool-headed and composed, always keeping his eyes on the prize.
As the season progressed, Sonnix's star continued to rise. He was soon being touted as one of the top young players in the league, with fans and pundits alike speculating about his potential to become a future Quidditch star.
The buzz surrounding Sonnix showed no signs of dying down, with fans eagerly anticipating his next match. Would he continue to dazzle with his exceptional skills, or would he face setbacks and challenges that would test his mettle? One thing was certain: Sonnix was a player to watch, and the Quidditch world was eager to see what the future held for this talented young athlete.
How do you like it? I can definitely make some changes if you'd like!
The Qqsp player (often referred to as the QSP player by Sonnix) is a cross-platform, open-source interpreter designed to run games written in the Quest Soft Player (QSP) format. Developed by Sonnix, it serves as a modern alternative to the original Classic QSP player. Technical Overview Rating: 9
Architecture: Built using the Qt framework to ensure compatibility across different operating systems, including Windows and Linux.
Compatibility: It is fully compatible with original .qsp and .gam files. Save games from the original player can typically be loaded without issues.
Customization: Users can enable advanced developer features, such as viewing the HTML code of the current game page or enabling autostart for the last played game. Key Features
Multimedia Support: Handles text, images, and audio, which are central to QSP-based interactive fiction and "life simulation" games.
Interface Flexibility: While it replicates the standard QSP layout (main window, inventory, and actions), it offers enhanced settings for better window management and font rendering compared to the legacy player.
Open Source: The source code is maintained on Sonnix's GitLab under the MIT License, allowing for community builds and forks. Common Use Cases
The player is highly popular within the interactive fiction community for running complex, logic-heavy games such as Girl Life or other simulation-style titles found on platforms like tfgamessite.com. QSP - IFWiki
To understand the value of the 19 QSP Player by Sonnix, let’s look at its raw hardware. While Sonnix released multiple variants, the standard "19 QSP" model included:
The standout feature, however, is the QSP chip. Unlike simple bass boost circuits, the QSP engine uses time-delay and phase-shifting algorithms to create a wider soundstage, mimicking 5.1-channel surround sound on standard stereo headphones.
| Problem | Solution |
|--------|----------|
| Game doesn’t load | Check if file extension is .qsp or .gam. Try renaming .qsp.txt → .qsp if downloaded wrong. |
| Images missing | Place images in same folder as the .qsp file. |
| Text garbled | Change encoding in Settings → Encoding → Windows-1251 or UTF-8. |
| Antivirus flags it | False positive (rare). Add to exceptions if from trusted source. |
