Universal Audio Apollo x8 Gen 2 Thunderbolt 3 Audio Interface with Essentials+ Bundle
| Channels of I/O | 18 Inputs / 24 Outputs |
| Maximum Sampling Rate | 192 kHz / 24-Bit |
| Number of Microphone Inputs | 4 |
| Analog Audio I/O | |
| Digital Audio I/O | |
| Host Connection | 1x USB-C |
| Power Requirements | AC/DC Power Adapter (Included) |
| Display | 10x Color Multi-Segment LED Meter |
| Channels of I/O | 18 Inputs / 24 Outputs |
| Built-In DSP | Yes |
| Maximum Sampling Rate | 192 kHz / 24-Bit |
| Number of Microphone Inputs | 4 |
| Built-In Microphone | (Talkback) |
| Input Level Adjustment | 1x Knob |
| Pad | Mic: -20 dB (Switchable per Channel) |
| Gain/Trim Range | Mic/Line/Hi-Z Inputs: +10 dB to +65 dB |
| Solo/Mute | Mute per Master |
| Analog Audio I/O | 4x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line Input 8x 1/4" TRS Balanced Line Input 2x 1/4" TS Unbalanced Hi-Z Input 8x 1/4" TRS Unbalanced Line Output 2x 1/4" TRS Balanced Monitor Output |
| Phantom Power | 48 V, Selectable On/Off |
| Digital Audio I/O | 2x Mini-TOSLINK / 3.5 mm Optical ADAT Input (S/MUX Support) 2x Mini-TOSLINK / 3.5 mm Optical ADAT Output (S/MUX Support) 1x RCA Coaxial S/PDIF Input 1x RCA Coaxial S/PDIF Output |
| Host Connection | 1x USB-C |
| Host Connection Protocol | Thunderbolt 3 |
| USB (Non-Host) | 1x USB-C (Device Connection) |
| Sync I/O | 1x BNC Word Clock Input 1x BNC Word Clock Output |
| Network I/O | No |
| MIDI I/O | No |
| Expansion Slots | No |
| Wireless | No |
| Frequency Response | Mic, Line Inputs: 20 Hz to 20 kHz ±0.07 dB Line Outputs: 20 Hz to 20 kHz ±0.05 dB Hi-Z Inputs: 20 Hz to 20 kHz ±0.08 dB Headphone Outputs: 20 Hz to 20 kHz ±0.02 dB Monitor Outputs: 20 Hz to 20 kHz ±0.02 dB |
| Maximum Input Level | Mic Inputs: 26 dBu (Pad On) Line Inputs: 24 dBu (Reference Level at +4 dBu) Hi-Z Inputs: 12.6 dBu (at Minimum Gain) |
| Maximum Output Level | Line Outputs: 24 dBu (Reference Level at +4 dBu) 12.2 dBu (Reference Level at -10 dBv) Headphone Outputs: 17.8 dBu (300 Ohms Load, 1 kHz at 16.8 dBu, -1 dBFS) 18.3 dBu (600 Ohms Load, 1 kHz at 17.3 dBu, -1 dBFS)) Monitor Outputs: 24 dBu (Reference Level at +4 dBu) 12.2 dBV (Reference Level at -10 dBv) |
| Headphone Output Power | 120 mW into 300 Ohms 67 mW into 600 Ohms |
| Impedance | Mic Inputs: 5.4 Kilohms Line Inputs: 10 Kilohms Line Outputs: 100 Ohms Hi-Z Inputs: 1 Megohm Monitor Outputs: 100 Ohms Word Clock Inputs: 75 Ohms |
| Dynamic Range | Hi-Z Inputs: 122 dBA Line Inputs: 124 dBA Mic Inputs: 123 dBA Headphone Outputs: 126 dBA Line Outputs: 127 dBA Monitor Outputs: 130 dBA |
| THD+N | Mic Inputs: -115 dB / 0.00018% Hi-Z Inputs: -111 dB / 0.00028% Line Inputs: -116 dB / 0.00016% Line Outputs: -119 dB / 0.00011% Monitor Outputs: -127 dB / 0.000045% Headphone Outputs: -117 dB / 0.00014% -118 dB / 0.00013% |
| Sample Rates | Up to 192 kHz |
| Sample Rate Conversion | No |
| Bit Depths | 24-Bit |
| Latency | 1.1 ms at 96 kHz |
| Sync Sources | ADAT, Internal, S/PDIF, Word Clock |
| Media/Memory Card Slot | No |
| OS Compatibility | Windows / macOS |
| Mobile Device Compatibility | No |
| Power Requirements | AC/DC Power Adapter (Included) |
| AC Input Power | 100 to 240 VAC, 50 / 60 Hz |
| AC/DC Power Adapter | 12 VDC at 6 A |
| Power Consumption | 72 W 30 W (Typical) |
| Rackmount Size | 1 U (with Included Hardware) |
| Operating Conditions | 32 to 104°F / 0 to 40°C |
| Dimensions | 19 x 12 x 1.74" / 48.3 x 30.5 x 4.42 cm (Chassis Only) 19 x 13.5 x 1.74" / 48.3 x 34.3 x 4.42 cm (Including Controls and Protrusions) |
| Weight | 8.8 lb / 4.0 kg |
| Package Weight | 16.855 lb |
| Box Dimensions (LxWxH) | 23.6 x 17.3 x 7.9" |