Driver type

•  Coaxial (2)
•  Midwoofer (16)
•  Passive radiator (2)
•  subwoofer (3)
•  Woofer (2)

Brand

•  Accuton (2)
•  Dayton Audio (13)
•  Peerless (2)
•  SB Acoustics (4)
•  ScanSpeak (10)
•  SEAS (9)

Speaker diameter

•  2" (1)
•  2.5" (1)
•  3" (3)
•  4" (6)
•  5" (23)
•  6" (6)
•  6.5" (13)
•  7" (18)
•  8" (21)
•  8.5" (2)
•  10" (20)
•  12" (8)
•  15" (6)

Impedance

•  4 Ohm (3)
•  6 Ohm (1)
•  8 Ohm (18)
•  11 Ohm (1)