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eminent technology

World's most amazing subwoofer has no woofer

We all know subwoofers make bass. Big subwoofers, like the $799 Epik Empire, can sport massive 15-inch woofers and a Class D 600-watt power amplifier, all packaged in a 22x18x24-cabinet. The Empire's 120-pound weight might be a not-so-subtle indication that it's solidly built.

But Eminent Technology's TRW-17 Rotary Woofer ($12,900) doesn't have a cone-type woofer or a box or cabinet. No, the TRW-17 looks like a high-tech fan. And when you turn it on, the fan's blade spins just like a fan, but it's a bona-fide subwoofer. It produces deeper and more powerful … Read more

Shake 'n' quake in Denver: three mega subwoofers

One-foot cube subwoofers are all the rage, but if you really want to feel the bass, size still matters. These three uber subs at last week's Custom Electronic Design & Installation Association (CEDIA) Expo in Denver, Colorado really shook me up.

Eminent Technology's TRW-17 Rotary Woofer ($12,900) will blow you away. Instead of a conventional woofer, it uses proprietary technology to create ultra deep bass, deeper than the largest and most powerful subs. Sure, it looks like an industrial strength fan, but the TRW-17's fluttering blades generate bass frequencies down to 1 Hertz (standard $1,000 … Read more