90’s Boom Box Phone Amplifier
        Turn your playlist into a block-party classic—no wires, no batteries, just pure throwback vibes.
 
        Bring the swagger of a 1990s boom box to your desk, kitchen counter, or picnic table. This acoustically tuned cradle slips over most modern smartphones (case on or off) and instantly boosts volume while adding a punch of bassy warmth. Designed and 3D-printed by Kintsugi Industries, every piece carries our signature blend of precision and nostalgia.
 
Why you’ll love it
Instant sound boost – up to 3× louder with no battery drain
Universal fit – tested with the latest iPhone, Samsung Galaxy, and Google Pixel models
Retro design, modern materials – lightweight, durable PLA that pops on camera
Zero setup – dock your phone and press play; perfect for beach days, bedrooms, and break rooms
Kintsugi Bonus – every purchase unlocks an exclusive discount code for your next visit
Color & Finish
Standard: printed in sleek Basic Black or crisp Studio White (choose at checkout).
Custom Paint: want neon ’90s graffiti, chrome accents, or your team colors? Just message us before you buy—we’ll quote a hand-painted finish and make it shine.
Ready to crank it up? Grab your Boom Box today, tag us @KintsugiIndustries, and swing back often—fresh retro gear drops every week.