Other differences are if it has some digital effects processor, EQ, graphic, 3D stereo surround processor, or voice cancellation special effect, and of course the number of output, input, and aux send channels.
The Behringer UB series of sound mixers, were the most popular ever. The XENYX series replaces the previous UB series, and these are way better. The XENYX1622FX 16 input mixer is perfect for experts or beginners. This mixer incorporates some of the best effects and features users have seen, in a mixer. The construction of this mixer is made with strong steel, to ensure you can keep mixing with this mixer for years to come.
This mixer will play back with virtually without distortion, and you can ensure that the sound will be the nice and cleanest ever, and the built-in Equalizer is also quite impressive. Users favorite part of this mixer is the sound effects, with 99 pre-sets. Users can do things un-imaginable with this cool mixer. This has a 24 bit FX processor so users will get only the best sound quality. This mixer includes a free Audio/USB interface to connect to your computer. This unit also has a 7 band graphic equalizer, and a cool feedback detection system.
Some Sample Features: Premium ultra low-noise mixer, 4 Mic Preamps, Phantom power for excellent microphone sound quality, British 3-band EQs on each channel, 24-bit stereo FX processor, 100 presets including reverb, chorus, flanger, delay, pitch shifter and various multi-effect combo’s, USB/Audio Interface included to connect directly to your computer, FX send control per channel for internal FX processing, External FX send processing, Revolutionary Feedback Detection System, 3D stereo surround effect, Low power consumption, 2 subgroups with separate outputs for added routing flexibility, Balanced main mix outputs with 1/4″” jack and gold-plated XLR connectors, Separate control room, headphones and stereo tape outputs, Multi-input source controls for tape inputs assignable to main mix or control room outputs, Peak LEDs, mute button, main mix, subgroup routing switches on all channels, Voice Canceller function.