ReL Subs: High Level or Low Level connection

There are advantages to both.  Low level with a high pass filter to your mains allows the sub to do all the work at low frequencies and takes some burden off your mains.  High level allows for easier integration imo.  I used the high level speakon connectors for my two RELs and haven’t looked back.  There are many around here who swear by low level and a filter.  I’ve not tried it but I’m extremely happy with the sound and integration I’m currently getting so I likely never will.

The only way to settle your quandary is to try in your system. Having said that, REL pride themselves on seamless integration through high level (speakon) connection. That’s how I am running my pair of REL’s. 

I just set up a S/510 for my Dad.   Awesome sub.  I used the Speakon connection and it sounds great.   I also have a REL in my second system and it is using Speakon also.   In my main system that sub was driven by the pre out .   I think it integrates better with Speakon and a low crossover setting 

Thanks all

Appreciate the input 

FYI, I have Anaylsis Plus cables with Speakons for the REL subs. The cables don't work with 2 pairs of spades on my Pass INT-25 (probably the same on your INT-60) due to the plastic protection caps on the speaker terminals.  You can run the sub cables off the speaker instead.  That also saves on cable length.