Axiom Subwofers activ SW1800A

They're in perfect condition.
Used only for demos.
System’s Acoustic Principle Manifolded Band Pass
Frequency Response (±3dB) 36 Hz – 115 Hz (Processed)
Maximum Peak SPL @ 1m 139 dB

TRANSDUCERS
Type Two 18” (460mm) woofers, 3” (75mm) VC
Cone High stiffness, water repellent

ELECTRICAL
Input Impedance 20 kΩ balanced, 10 kΩ unbalanced
Input Sensitivity +4dBu / 1.25 V
Signal Processing CORE processing, 96kHz / 40bit floating point SHARC DSP, 24 bit AD/DA converters
Direct access Controls 4 Presets (Standard/InfraSub/Cardioid/User), Network Termination, GND Link
Remote Controls PRONET control software
Network protocol CANBUS
Amplifier Type Class D with SMPS, Variable Switching Frequency
Output Power 1000W + 1000W
Mains Voltage Range (Vac) 230V ±15% - 115 ±15% 50/60Hz (internally selectable)
IN / OUT Connectors Neutrik XLR-M / XLR-F
IN / OUT Network Connectors ETHERCON®(NE8FAV)
Mains Connectors PowerCon® TRUE1 - NAC3PX (In/Out)
Cooling Variable speed DC fan

ENCLOSURE & CONSTRUCTION
Physical Dimensions
Width 570 mm (22.40”)
Height 960 mm (37.80”)
Depth 880 mm (34.65”)
Depth Including Wheels 1008 mm (39.70”)
Enclosure Material 15mm, reinforced phenolic birch
Paint High resistance, water based paint
Transport 4 heavy duty 100 mm (4") castors, 6 handles
Net Weight 70 Kg (154.30 lbs.)