Here are the specs of the Sound Blaster Pro:
22 mono FM voices or 11 stereo FM voices (Mono 22 FM voice mode [Adlib
compatible] power-on default)
Two 8-bit DACs/ADCs (for recording/playing real sounds, 4KHz - 44.1KHz
recording in mono or 4KHz - 22.05KHz recording in stereo [possible
compression rates are 1:1, 2:1, 3:1, 4:1])
CD-ROM audio
PC speaker audio
1/8" microphone/mono input jack
1/8" stereo line-in jack for recording CDs, tapes, etc.
Built-in mixer to mix all these sound sources together (software
controlled)
Built-in power amplifier
Main volume control on back of card
1/8" stereo output jack
MIDI/Joystick port (MIDI connector box with extended joystick port is
included)
Built-in internal SCSI CD-ROM interface
Fully downward compatible with original SB
Meets Microsoft's Level 1 Multimedia Windows specifications

BUNDLED SOFTWARE - 
Sequencer Plus Junior (MIDI/FM-voice sequencer)
Stereo version of VEDIT (Record, play, compress and edit sounds,
including panning for left/right stereo effect)
Dr. Sbaitso and SBTalker (text-to-speech software)
CD Player (Play audio CDs on your CD-ROM drive)
FM Organ (Turns your PC keyboard into an organ)
MMPlay (Multimedia package)

Retail list price: $299
Expected street price: $230-$250
Trade-in value of old SB: $100
Expected shipping time: Late August/early September