90 dB is loud... so, as a monitor that can do 103 dB at one meter, it will be great! In a room with 30 people, it would be fine. At any of my gigs, it will work as a monitor. Only goes to 70 hz but my Yamaha DXR10 only goes down to 56 hz.
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~Johnathan
"The Shueys"
www.shueymusic.com
Yamaha Genos - RCF M20x - RCF HD10A (Stereo) - Jupiter Pocket Trumpet - Sennheiser e935 - Neumann KMS-104 plus-N