XTZ EU - Our Spirit 2 and Spirit SUB 12 have been tested at HiFi-Journal.de . Both have won a top product award and shown what they are capable of: "The combination
XTZ Spirit Sub12 – surroundswar
Spirit BPX110A 1 x 10 in. Amplified Subwoofer Box - Walmart.com
Spirit BPX110A 1 x 10 in. Amplified Subwoofer Box - Walmart.com