Magnat is the high end name for audio products (http://www.magnat.de/index.php?id=3651&L=1) 

- Solid low-resonance cabinet construction using E1-MDF panels and decorative high-gloss front 
- Down-fire construction with 30 mm baseplate 
- Airflex port with rounded reflex opening to avoid wind noise 
- High-power longthrow subwoofer with Klippel®-optimized magnet system 
- Real-time limiter 
- Active frequency range equalization up to 200 Hz (LPC feature) 
- Low standby power consumption <1 watt 
- Rubber pucks included 
- CE, RoHS and REACH compliant 

Principle / DIN Ø: Active bassreflex subwoofer, ´downfire´ 
Driver: 1 x 8" powered subwoofer 
Power output (RMS/max.): 100 / 200 watts 
Frequency response: 24 - 200 Hz 
Crossover frequencies: 50 - 200 Hz regelbar 
Dimensions (W x L x D): 240 x 445 x 410 mm 

Features 
- Level- and crossover- frequency adjustment 
- Phase switchable 0°-180° 
- High-level input 
- Low-level input 
- Automatic standby circuit 
- Switchable mains voltage 115/230 V 
- Power switch 

$350 picked up
Note: item is approx. > 10KG