Like I said in some other posts. I'm surprised these have been received poorly by some forums and websites relative to their peers. They sound pretty good to me. So I took it upon myself to measure them unequalized, uncompensated and so on, outdoors. EDIT: (Actually just noticed that the high-frequency setting on the back of the speaker is at -2dB.) It was a pain in the butt. It was fucking hot. Could barely read my laptop screen. And to top it all off, a middle age (towards the later part of middle age), fat, cracky woman came out of her house to tell me my tone sweeps were annoying and to get the fuck out of the park (which is part of my association). Her house was pretty far away, but it goes to show these can put some SPL. I'll add more details in this thread and perhaps add more measurements and listening impressions. But I need to start flushing this out or else I'm never going to do it. Family, work and house chores takes time. So here are some measurements outside in said park: And here are No-audiophile measurements of the JBL305s The Mackies seem to go down to about 57Hz (and are advertised to 57 Hz -3dB point), but in-room I think they hit about between 45 and 50 Hz (see below). There is also something weird going on at around 400 Hz. There was still quite a bit of echo due to houses around the park, and that may have caused that 400 Hz issue. Dunno. Some other types of measurements (in-room) don't seem to show it (see below). Here are measurements in-room vs outside: IMO these sound the way they measure. Flat but a bit relaxed on the top end. JBLs seem to have more energy above 10 kHz (see No audiophile close mic measurements of the 308, 305, and JBLs we-vs-them measurements repeated below for convenience http://noaudiophile.com/JBL_LSR305/): (308 ^) (305 ^) (We-Vs-Them) Anywho, I compare these to the JBL305s because like the MR5s, they have the same size drivers, roughly the same price, both are entry level pro monitors, both are decent for the price, both are about the same size, and use similar power amplifiers. In other words, they are competitive and seem to target the same market. I'm sure there are better speakers. But in their class, these are both very good and IMO deserve a good listen if you are in the market for something like these. I'll do some close mic measurements later, but not in the park, or else cranky lady might call the cops. Listening impressions: Quite good mids. Similar IMO to JBL305s. More relaxed than the 305s. Decent bass quality, but will need a sub-woofer for support in sub-bass range. Good off-axis response. Tweeter wave-guide works IMO. BTW, the fact that the tweeter is inside the wave-guide sort of protects it. JBL305s look nicer to my wife. MR5 are more classic in their construction. I like them. I'll also add some pics of the measurement set up later.