PAQ-40
- 24Hz—80Hz ±3dB
- 5th-order bandpass utilizing a quarterwave transmission line
- Dual 10" drivers; quad 12" passive radiators
- 9,000 Watt SONOFINITY A-9 rack amplifier

PAQ-60
- 20Hz—70Hz ±3dB
- 5th-order bandpass utilizing a quarterwave transmission line
- Dual 15" drivers; quad 18" passive radiators
- 18,000 Watt SONOFINITY A-18 amplifier
- Dedicated speaker cable (length to order)

PAQ-60XL INFRASUB
- Rising frequency response down to about 12.5Hz
- 5th-order bandpass utilizing a quarterwave transmission line
- Dual 15" drivers; quad 18" passive radiators
- 18,000 Watt SONOFINITY A-18 amplifier
- Dedicated speaker cable (length to order)

Q-80
- 15Hz—150Hz ±3dB
- Octo 18" Push-Pull Clamshell
- Quarterwave transmission line
- 36,000 Watt SONOFINITY A-36 rack amplifier
- Dedicated speaker cable (length to order)
