Speakers Hacked into a Little Black Back Pack

backpackspeakers1 Speakers Hacked into a Little Black Back Pack

Portable speakers can be very nice little accessories to carry around, but the “little” part often extends to the sound as well. Forum member Dobson did his own thing and instead put speakers in a backpack.

Dubbed the “sound bag” by its creator, this thing is quite impressive with 2 large speakers powered by a 50W amplifier that runs off a 7000mAh battery, which gives the rig a battery life of about 15-20 hours. This will definitely play louder than anything even an army of normal portable speakers can spit out and might not be too bus-friendly, but it definitely has style. Great work! Hit the jump for more pictures.

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5 Comments

Eric on September 16, 2009 1:18 PM

Are those regular 6 1/2″ speakers? That’s a great use for them I should have thought of that!

mr cool on September 16, 2009 5:47 PM

What kind of amp is it?Try a Class T amp if you got money laying around – they’re efficient + small

Dobson on September 19, 2009 8:10 AM

Yes that’s 6.5″ speaker, amp is TDA1554 chip. And battery life is about 30 – 60 hours on normal, easy listening sound, 15 – 20h is on high volume, on full volume (you don’t want to near bag then) maybe 2 – 4 hours.

Dobson on September 19, 2009 8:12 AM

By the way it cost me about 80$, and i’m thinking about making ability to charge player from bag.

Noam on September 20, 2009 9:08 AM

This is awesome. Good job, Dobson.

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