סאב וופר Martin logan BalancedForce 210 Walnut

Specifications
BalancedForce 212 
System Frequency Response 18–120 Hz ±3dB; Anechoic through LFE effects input 
Low Pass Filter Frequencies 30 - 80Hz 
Phase 0°, 90°, 180°, 270° 
25Hz Level Control ±10dB at 25Hz 
Power Control On, Auto (12V Trigger), Off 
Room Correction Perfect Bass Kit (PBK) Ready (Sold Separately) 
Woofers Two 12" (30.5cm) cast-basket, highexcursion, aluminum cone with extended throw driver assembly, sealed non-resonant asymmetrical chamber format

Amplifiers 2 x 850 watts
(3,400 watts peak system total)

Inputs RCA: Left, Right and LFE.
XLR: Left, Right and LFE.
Speaker Level: Left and Right banana jacks.
12V Trigger: 3.5mm
Mini USB (for PBK)
USB (for crossover & firmware updates)

Output (RCA) Multi Out (for multi-sub connection)

Input Impedance RCA: 10,000 Ohms
XLR: 15,000 Ohms per phase
Speaker Level: 10,000 Ohms per phase (20,000 Ohms red to black)

Power Draw Typical: 250 Watts
Idle: 30 Watts

Weight 140lbs. (63.5kg)

Overall Dimensions
(HxWxD) 22.6 x 22.6 x 22.9
(57.4cm x 57.4cm x 58.2cm)