Atlantic Technology T70.1 PBM ($425)Atlantic Technology has always been known for high-value products, and this inexpensive sub promises to carry on the tradition.

What's in the Box? • Cabinet design sealed • Finish black ash vinyl laminate • Driver size 10 inches • Rated Power 125 watts • Controls variable 40- to 140-Hz low-pass crossover, crossover bypass, level, phase switch, auto-on • Warranty 90 days with free extension to 1 year with registration

How Big Is It? • Dimensions (WxHxD) 11 3/8 x 16 x 15 1/2 inches • Volume 1 3/4 cubic feet • Footprint 1 1/4 square feet • Weight 38 pounds

Ins & Outs • line- and speaker-level inputs and outputs

How Low Does It Go? • Bass limit 25 Hz at 82 dB SPL This small sub gives you deep enough bass to keep up with any CD or DVD.

How Big the Bang? • Average SPL from 25 to 62 Hz 94.7 dB • Maximum SPL 103.5 dB at 62 Hz • Dollars per dB $4.48 The sub's peak SPLs were moderate, but well distributed over its frequency range.

The Bottom Line The ability to reach down deep into the 25-Hz region and still produce solid sound, combined with its low price and full feature set, make the T70.1 PBM a good value. (I'd like a little better warranty, though.)

Manufacturer Atlantic Technology, www.atlantictechnology.com, 781-762-6300