WTS - REL Q200E 10" Subwoofer

selling for $600.
self collect in Pasir Ris St 21, Blk 236, S(510236)
call me at 96660233, Cash.

True 200W (continuous) discrete direct-coupled MOSFET amplifier
Forward-firing 250mm (10”), long-throw, heavy–duty driver with 7.6 kg magnet and 4 layer edge-wound voice-coil
Refined ABC® infinitely variable crossover adjustment from 26 to 106 Hz
Four position mode selector: line/LFE (0 degrees phase and 180 degrees phase)
Audiophile grade toroidal transformer
Gas-tight Neutrik high level connection for long-term consistency of sound quality
High quality, panel-mounted twin phono inputs at 0dB and +12dB (low level)
Totally discrete input circuitry for high and low level inputs
Separate volume controls for high and low-level adjustment
Simultaneous connection of high and low level sources
Set-Safe® audibly transparent driver protection
Balanced-bridge power supply
4x ultra-rugged output devices
Double-sided glass-fibre board with plated-through holes
IEC power input socket - no captive leads for installation flexibility
Machined nylon feet
Hand-built in Great Britain, three year worldwide warranty
System Type: Active ZeroQ Acoustic Suspension System with ABC® 
variable bass filter. Closed box, 17 litre
Frequency Range: 25Hz-100Hz
Amplifier Input Impedance: High level 100 Kohm : Low level 10 kohm
Gain Control Range: 56dB
Drive unit impedance: 4 ohm
Mains input voltage: 115 V 50/60 Hz or 230 V 50/60 Hz, subject to country
Dimensions: WxHxD mm (inches) incl. feet and rear panel controls 300x328x353 (11.82 x 12.92 x 13.91)
Weight Kg (lbs): 17 (37.48)
Finishes: Brittex Black
actual pics below.