Ditch the cables and insert a little style into your musical experience with the Koostik. Available in Walnut or Hard Maple, the Koostik naturally amplifies the sound coming from your iPhone 4, 4s or 5. You’ll get 2-4 times the volume without plugging anything into the wall. Made in the US by hand, the Koostik is a beautiful piece of craftsmanship and a useful desktop tool. Available in Original and Pivot styles.
Koostik Amplifier
More Home
Home
Italy From Home
How to stock your pantry, fridge, and bar cart like an Italian.
Home
Bring the Soundtrack With You This Summer
The best outdoor portable speakers for beach trips, lake weekends, backyard hangs, and every adventure that calls for a little music.
Home
Black Book: 14 Products Our Editors Loved in May 2026
The products our editors have been obsessed with in May 2026.
-
Home
Italy From Home
How to stock your pantry, fridge, and bar cart like an Italian.
-
Home
Bring the Soundtrack With You This Summer
The best outdoor portable speakers for beach trips, lake weekends, backyard hangs, and every adventure that calls for a little music.
-
Home
Black Book: 14 Products Our Editors Loved in May 2026
The products our editors have been obsessed with in May 2026.