Active Systems:

• GB10 and GB25: Perfect for A-pillars, doors or a center channel
• GB10 and GB40: Perfect for A-pillars, doors or a center channel
• GB10 and GB60: Great two-way system for factory locations
• GB10, GB25 and GB60: The ultimate active system for A-pillars with door or kick panel-mounted midbass. Great for doors when only a small midrange driver will fit between the midbass and the tweeter.
• GB10, GB40 and GB60: The ultimate active system for door panel installation. 

Passive Systems with dedicated crossovers:

• GB10, GB40 and GB410C: Perfect for doors or a center channel with a passive crossover. Shallow design is great for BMW doors.
• GB10, GB60 and GB610C: Great for standard OE locations or for kick panels. 

In combination systems with active and passive crossovers:

• GB10, GB40, GB410C and GB60: The ultimate system for doors when a small tweeter is required using a passive crossover between mid and tweeter and an active crossover between midbass and midrange