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About this gear
The Spark Plug is a compact, ultra-affordable in-ear monitor from Koss's 2008 lineup, designed as a grab-and-go option for portable listening. At this price tier, it prioritizes durability and basic sound reproduction over refined audio characteristics. A practical, no-frills choice reflecting Koss's heritage of making headphones accessible to everyday listeners.
About Koss
American headphone pioneer founded in 1958 by John C. Koss in Milwaukee — credited with inventing the first stereo headphone (the SP/3). Koss's Porta Pro, introduced in 1984, remains in production and is one of the most beloved headphones ever made, offering remarkable sound quality and musicality a...
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