The Sound Blaster X-Fi Elite Pro features professional-quality digital-to-analog converters (DACs) with 116dB SNR, plus an I/O module with a comprehensive selection of connectivity for audio creation with easy-to-use control knobs for the X-Fi 24-bit Crystalizer, X-Fi CMSS- 3D (Creative Multi-Speaker Surround), 3DMIDI, and EAX. The Sound Blaster X-Fi Elite Pro also features 64MB of on-board X-RAM - audio memory dedicated to higher gaming audio quality and performance, in addition to a built-in pre-amp for direct recording, and high-impedance inputs for electric guitars. The "top of the line" Sound Blaster X-Fi solution, the Elite Pro includes all of the standard features, application software, power and performance capabilities of the entire family of Sound Blaster X-Fi cards (described below), in one ultimate solution.