PROFESSIONAL ROLAND DS 90A SWITCHABLE DIGITAL/ANALOGUE NEARFIELD MONITORS WITH BI-AMPS BUILT IN (NO NEED FOR EXTERNAL AMPLIFICATION). 100-WATTS RMS PER SIDE. AUDIO HAS FLAT/CLEAR RESPONSE (EVEN IN ANALOGUE MODE). VOL, BASS AND TREBLE CONTROL. HOME USE ONLY (VERY LITTLE) [IN EXCELLENT CONDITION] ORIGINAL COST: £600. EACH! SALE = THE PAIR (ONLY)