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SOL Republic Master Tracks Review

SOL Republic Master Tracks
MSRP $199.99
“Those in search of headphones as tough as a pair of overalls but as refined as a tuxedo need look no further than the Sol Republic Master Tracks.”
  • Clear, well balanced sound signature
  • Powerful, defined low end
  • Huge dimensional soundscape
  • Rugged yet elegant design
  • Slight lack of detail in timbre of instruments
  • Bass occasionally a bit heavy

In an extremely competitive headphone market, Sol Republic, seems to have outlined a winning blueprint. Crafting sleek, minimalist earpieces around the framework of its virtually indestructible polymer headband, the company has achieved some real success with its Tracks, and Tracks HD headsets. The piecemeal design of the relatively affordable lineup allows users to build their own styles from multi-colored, interchangeable parts, rewarding further investment with creative freedom.

With each new model moving slowly up the scale into the upper tier market, Sol Republic has seemed to keep sound at the core of its development, allowing for both substance and style — something that can be a rarity in the rapacious industry. The company has recently taken its boldest step yet in the Tracks line-up, creating an over-ear model for the more refined listener that it calls Master Tracks (available at $200).

Like its predecessors, the Master Tracks offer a pair of removable earpieces, dubbed the “x3 sound engines”, which succinctly connect to a backward compatible headband. And while we’re intrigued by the clever design and durability of the Master Tracks, we were much more interested to hear what happened when we let those “engines” roar. Here’s what we learned after some extensive testing.

Out of the box

Opening the Master Tracks packaging, we found the charcoal grey headset disassembled, with the aforementioned polymer headband surrounded by two thickly padded earpieces. Also in the box was a two-pronged removable headphone cable, a large nylon carrying bag, and a gold plated ¼-inch adapter.

Features and design

The Master Tracks have a distinct aesthetic that is simultaneously elegant and rugged. Apart from our matte grey test model, the headphones are available in an assortment of colors and patterns. The slim headband is dressed with a smooth strip of leather, engraved across the top with the company logo, and supports ample padding underneath. At the base of each arm of the headband is a minute channel indicator for attachment of the corresponding earpiece. The design is ingenious in its simplicity, and the band slips fluidly through the slot of each earpiece, easily adjusting to size without the jerky, corrugated motion of so many headphones we’ve reviewed.

sol republic master tracks over_ears headphones flex_tech sound track headband macro

The Master Tracks’ metal earpieces are cut with sleek edges, and sport a subtle, glittered finish. The slot through which the headband is inserted is adorned with slim padding that provides just enough resistance to keep the earpieces firmly in place. The donut shaped earpads are thick and covered in soft leather. The pads attach to the earpieces on an axis, allowing for a small amount of vertical motion to adjust for fit.

Like the headband, the bottom of each earpiece is engraved with a tiny channel indicator next to the cable input, as are the jacks of the dual-pronged cable itself, ensuring all pieces attach correctly. The removable cable is approximately 4 feet in length. The left and right forks are conjoined at the intuitively-designed, 3-button iOS-friendly control microphone, which resides at about one foot from where the cable attached to the headphoens. The cable is terminated on the other end with a 90-degree, gold-plated 3.55mm plug. 


This reviewer found the Master Tracks’ ample padding pretty comfortable. Though one of our DT colleagues contends that the headset is one of the most comfortable he’s ever worn, the ear pads occasionally pinched our ears slightly – further proof that one man’s poison is another man’s medicine. Still, we were able to wear the headset for extended periods without much trouble.

Audio performance 

We can best describe the Master Tracks’ as having an articulate and powerful sound signature, notable for its full and defined low end, clear midrange, and vast stereo image.

One of the most remarkable and enjoyable features of the Master Tracks’ sound is the immense sense of space they create. Not only did we find sounds to be widely spread across a stereo image, but there was a spherical dimension to the sound that placed the instruments all around us. We were able to pinpoint instrumentation location at multiple angles, both back and forth, and up and down, creating a brilliant listening atmosphere that sucked us right in.

…Sleek styling, rugged durability, and impressively well-rounded sound signature…

That effect was blatantly obvious in the volley of buoyant synth tones from electronic productions by artists like Depeche Mode, and Radiohead, but it was also striking in simpler rock tracks. In a sampling of the extremely sparse Neil Young tune “For the Turnstiles”, for example, we were amazed by the lucid atmosphere in which the banjo was drawn in the right channel, rendering a vivid aural projection of the studio. Another showy example came in “The Rover”, by Led Zeppelin, in which the right rhythm guitar track was audibly pushed forward and upward, while the left rhythm guitar was closer at hand and more vertically centered in the left side.

Another feature that defined the Master Tracks’ sound for us was the powerful, yet extremely well defined lower register. The drivers made easy work of our favorite hip-hop tracks like “Hypnotize” by B.I.G., and “Money Ain’t A Thing” by Jay-Z, forcing the bass lines through with brazen pressure that was both authoritative and exciting. Though at times we felt the bass got a bit heavy in some of our lighter pop music, for the most part it was well distributed, and never felt muddled or overbearing. 

sol republic master tracks over_ears headphones three_point_five_mm jack macro

Pressing on through our catalog, we remained impressed by the Master Tracks’ affinity for instrumental separation, creating a smooth balance of everything from Pink Floyd to Ryan Adams. Percussion was often well drawn, revealing deep thumping toms spread all over the vast soundscape, and tight snare and hi-hats. At times we wished for a bit more sparkle at the top end, especially in crash cymbals. We also felt the drivers never carved out the granular texture of the instrumentation as much as we’d like. Still, the Master Tracks created an articulate reproduction of all of the genres we tested. Indeed, throughout our listening, we had little to complain about, simply enjoying the ride.


We think Sol Republic has really got something here. The Master Tracks’ sleek styling, rugged durability, and impressively well-rounded sound signature exceeded our expectations. While the Master Tracks don’t deliver what we’d call “elite” sound, they get closer to that level than you’d expect from a $200 headset and sound far better than most we’ve tested at that price point. Those in search of headphones as tough as a pair of overalls but refined as a tuxedo need look no further than the Sol Republic Master Tracks.


  • Clear, well balanced sound signature
  • Powerful, defined low end
  • Huge dimensional soundscape
  • Rugged yet elegant design


  • Slight lack of detail in timbre of instruments
  • Bass occasionally a bit heavy

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