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== FRFR ==
Modelers usually include cab/mic emulation. Guitar speakers/cabinets typically roll-off the more extreme high-end frequencies, focusing on midrange. They also have certain resonances and characteristic formants. Using cab/mic emulation is great for home recording, removing the need to mic a cabinet. It also removes the need to crank the volume a guitar amp for its unique tonal additions from its power section, so you can play/record in low-volume situations without sacrificing tone. Unlike guitar speakers, most general-purpose speakers, especially pro audio (PA, studio monitors) are designed to be full-frequency flat-response ('''FRFR'''), meaning they output all frequencies (within human hearing) without boosting or diminishing any of them in relation to the input signal they receive. FRFR has become a kind of buzz-word, with many debating just how FRFR an "FRFR" speaker/monitor is. '''Regardless, using a modeler with cab/mic simulation into an FRFR speaker should get you a tone similar to a real guitar amp/cab rig that has been mic'ed.'''
The most popular FRFR speakers for pro audio are studio monitors and stage monitors. ''Studio'' monitors are typically smaller (5-8" woofers) and are nearly always found in pairs. They are loud enough for playback in a small to medium size room with low noise - a studio control room for instance. For live playing, ''stage'' monitors (aka PA speakers) are more popular. DJ's often use pairs of these for smaller venues. For large venues, they are more often used as stage wedges for the band to hear themselves, with a much larger PA system responsible for delivering sound to the audience. While a pair is nice to take advantage of stereo effects/routing, often a guitarist needs just one (most dedicated guitar amps and cabs are mono). These come in sizes and loudness similar to guitar cabinets; however, they are generally lighter and more portable, as well as having a wider frequency dispersion. They are also shaped capable of being laid on the ground as wedges, stacked in towers, or mounted on poles.