Does the XS12e need a separate amplifier?

No. It is a powered subwoofer with a built-in amplifier, so it connects to a receiver's subwoofer output or a preamp.

What size room suits a 12-inch subwoofer?

A 12-inch powered sub like this is a good fit for medium to large rooms. In small rooms, keep the level low and place it away from corners.

Yes. The sub has onboard controls for level, crossover and phase so you can blend it with your main speakers.

Yes. Owners use it for both, and the adjustable controls help it keep up with music without overwhelming the mains.

The subwoofer and its power cable. Speaker or line cables for hooking it to a receiver are generally not included.

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At AV Shack, for $1,171.08, as of our latest check.

$1,171.08at AV ShackChecked Nov 10

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