Presonus Studio 192 26x32 USB Audio Recording Interface+(2) E44 Active Monitors Presonus Studio 192 26x32 USB Audio Recording Interface+Studio Command Center. Integrated Zero Latency Monitoring. Ultra low latency, 24-bit, 192 kHz USB 3.0 audio interface (backwards compatible with USB 2.0). Simultaneous I/O up to 26 inputs / 32 outputs (8 x 14 at 192 kHz). Flawless analog signal path with top-quality 118 dB digital conversion. Individual stereo main balanced outputs with mono, dim, mute, output metering and level control accessible from front-panel and UC Surface. Onboard talkback mic. Two high-volume headphone outs with dedicated DACs for optimal headphone monitoring. 8 XMAX remote controllable mic preamps with individual 48V Phantom Power switching and 85 dB gain range.. 2 instrument inputs, available via dual-purpose front-panel combo jacks. 6 balanced line level direct to ADC inputs, available via dual-purpose rear-panel combo jacks. 8 balanced TRS  outputs for monitor mixing and speaker switching. ADAT / Dual SMUX Optical inputs/outputs: 16x16 channels at 44.1 or 48 kHz; 8x8 channel at 88.2 or 96 kHz. Stereo S/PDIF coaxial input and Output. BNC Wordclock input and output with low-jitter clocking. Compatible with most music software for Mac or PC.. USB 2.0 compatible. Dimensions: 19 x 5.5 x 1.75. Weight: 4.9 lb. (2.22 kg). Presonus ERIS E44 85w Active Powered Dual 4" MTM Studio Monitor. Dual 4.5-inch/6.5-inch, custom-woven Kevlar LF/midrange drivers produce dynamic, size-defying bass output. 1.25-inch, silk-dome HF driver ensures smooth high-frequency performance that is never fatiguing to the ears. Balanced XLR, balanced -inch TRS, and unbalanced RCA inputs provide flexibility for seamless integration into any environment. Acoustic tuning controls help to compensate for room anomalies, providing a consistent frequency response customized for your mix environment. Continuously variable HF and MF controls (-6 to +6 dB) . Low-cut filter (flat, 80 Hz, 100 Hz). Acoustic Space settings (Flat, -2 dB, -4 dB) compensates for room placement. 90W/140W Class A/B bi-amplification for an open, clear sound. RF interference, output-current limiting, over-temperature, and subsonic filter protection. Amplifier soft start feature eliminates popping on power-up. Internal power supply with IEC connector.