Rel Acoustics No. 31 Color:Black and massive headroom — ideal

and massive headroom — ideal for large professional studios requiring uncompromising performance

the same impressive features and the same great balance between size and performance - but with a more traditional

Aerofoil bass—crisp dialogue & deep power

tuning the application for mind-blowing home theatre settings

SVS Sound SB17-Ultra R|Evolution 17″ Subwoofer delivers chest-thumping bass and pinpoint accuracy with a 17″ dual-voice-coil driver

Rel Acoustics No. 31 Color:Black and massive headroom — idealThe REL No. 31 is a high performance, sealed box 12 active subwoofer from RELs Reference Series. Designed to offer near flagship performance in a more compact footprint than the No. 32, it delivers deep, articulate, and powerful bass ideal for both audiophile music setups and high end home theaters