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RonRizz · 07-03-2018, 06:59 PM

Not having a Subsonic filter is certainly not a deal breaker... In a sealed box, most will never need one. In a ported box, it would depend on your tuning frequency. In an IB setup, they may help, but certainly not NEEDed.
If you feel you must have a subsonic, but the amp you like doesn't have one, simply do this.. Line Level Crossovers
Why pay $100 more for an amp just because it has one built in?

07-03-2018, 06:59 PM	#16 (permalink)
RonRizz A True Z Fanatic Join Date: Aug 2011 Location: Pine grove, Pa Posts: 2,132 Drives: 2 feet, 3 pedals Rep Power: 6774	Not having a Subsonic filter is certainly not a deal breaker... In a sealed box, most will never need one. In a ported box, it would depend on your tuning frequency. In an IB setup, they may help, but certainly not NEEDed. If you feel you must have a subsonic, but the amp you like doesn't have one, simply do this.. Line Level Crossovers Why pay $100 more for an amp just because it has one built in? __________________ P99rs Head Unit--- Amps- 2 Pioneer Prs800d --- Zapco ST1000MX---Zapco ST-4XSQ---- SI BM mk5 Subs---SI TM65v2 Midbass--- SI M3 mids--- SI M25 xbl2 tweeters ----- 2016 MECA street class 3rd place at world finals