Here's a breakdown of their equipment:
Guitar amp: Marshall JCM 2000 + Marshall 1960v cabinet
Bass amp: Ashdown EVO II 500 + Ashdown 810 cabinet
Drums: Pacific drums by DW FX series + UFIP cymbal
PA: Soundcraft GIGRAC 600 mixer + Peavey PV115 speakers
Keyboards: Kurzweil PC1X + Korg TR
Mic: Shure SM58s Microphone
Optional guitar amps: Fender Twin Reverb + Marshall Bluesbreaker + 89 Soldano SLO-100 amp
You can also store your instruments here if you need to, if, say, you have a huge 25-kg keyboard that you don't want to be lugging around town with you all the time, like me. And if you practice quite often, they'll work out a deal with you where you can decide on a price per month.
Here's what Room H (one of the bigger rooms) looks like:
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Check out their Web site at http://cafe.naver.com/brownsoundstudio. You can call them at 02-337-4289.