Internal Volume: 40 LitersPhasing: Positive or reversedGain: 40 dBFrequency response: 20Hz to 120Hz (upper frequency dependent upon user settings of ABC. Lower limit is room dependent)Amplifier: DC coupled complementary Mos-FetEnclosure type: Reflex extended response MAJOR FEATURESBass extension to below audibility.Active Bass Controller (ABC) to optimise system/room matching.Choice of high or low level inputs.Bass cut facility to satellite loudspeakers, if required, when high level input isselected.Phase reversal switch. Used. Good working condition

Internal Volume: 40 LitersPhasing: Positive or reversedGain: 40 dBFrequency response: 20Hz to 120Hz (upper frequency dependent upon user settings of ABC. Lower limit is room dependent)Amplifier: DC coupled complementary Mos-FetEnclosure type: Reflex extended response MAJOR FEATURESBass extension to below audibility.Active Bass Controller (ABC) to optimise system/room matching.Choice of high or low level inputs.Bass cut facility to satellite loudspeakers, if required, when high level input isselected.Phase reversal switch. Used. Good working condition

Internal Volume: 40 LitersPhasing: Positive or reversedGain: 40 dBFrequency response: 20Hz to 120Hz (upper frequency dependent upon user settings of ABC. Lower limit is room dependent)Amplifier: DC coupled complementary Mos-FetEnclosure type: Reflex extended response MAJOR FEATURESBass extension to below audibility.Active Bass Controller (ABC) to optimise system/room matching.Choice of high or low level inputs.Bass cut facility to satellite loudspeakers, if required, when high level input isselected.Phase reversal switch. Used. Good working condition

Internal Volume: 40 LitersPhasing: Positive or reversedGain: 40 dBFrequency response: 20Hz to 120Hz (upper frequency dependent upon user settings of ABC. Lower limit is room dependent)Amplifier: DC coupled complementary Mos-FetEnclosure type: Reflex extended response MAJOR FEATURESBass extension to below audibility.Active Bass Controller (ABC) to optimise system/room matching.Choice of high or low level inputs.Bass cut facility to satellite loudspeakers, if required, when high level input isselected.Phase reversal switch. Used. Good working condition

This is in used but good working condition. The few light abrasions that it has honestly look worse in the photos than in real life because of the camera flash!Manual: https://www.bedienungsanleitu.ng/rel-acoustics/strata-ii/anleitung?p=2

Used REL Acoustics Strata III Subwoofer. One owner, recently serviced. Sounds great. Some wear visible on exterior top and sides. Power cable and manual included. Ships in original packaging. MSRP: $1499 The Strata III is the best sub I have heard in my system, and by a surprisingly large margin. It may be the best sub REL currently makes. - 10 Audio

REL Strata II 10 Powered Subwoofer in excellent condition with original box and packing. 10 down-firing bass driver and 60 watt class A/B amplifier. Great sounding sub for a small music system that needs some extra bass extension and good blend to the primary speakers. Original MSRP $1,195.00Specifications Enclosure Type: Reflex extended response Power Output (RMS): 60 Watts Amplifier: DC coupled complementary Mos-Fet Input Connectors: 4mm sockets or phono sockets / Neutrik Speakon (high level) Input Impedance: l00K (4mm), 20K (phono) Gain: 40dB Frequency Response: 20Hz to 120Hz (upper frequency dependent upon user settings of ABC. Lower limit is room dependent) Internal Volume: 40 Litres Drivers: 1 x 250mm (10) magnesium chassis, long throw Other: Phasing: Positive or reversed Dimensions: 416 x 518 x 310mm (Width x Height x Depth) Weight: 17kg / 37.4lbs

REL ACOUSTICS STRATA III. This is in good condition for its age few minor marks to cabinet but overall in good working order