Behringer X AIR XR18 18-Channel Digital Rack Mixer

• Number of processing channels: 18 input channels, four FX return channels, six AUX buses, main LR
• Internal effects engines: Four true stereo
• Signal processing: 40-bit floating point
• A/D-D/A conversion (Cirrus Logic A/D CS5368, D/A CS4385): 24-bit @ 44.1/48kHz, 114dB dynamic range
• Analog I/O latency*: 0.8 ms

Connectors

• Programmable mic preamps, designed by Midas: 16 XLR/TRS combo jacks, balanced
• Line / Aux inputs, stereo:  Two TRS, balanced
• Main outputs: Two XLR, balanced
• AUX outputs: Six XLR, balanced
• Monitoring outputs: –
• Phones outputs: One TRS
• ULTRANET: One RJ45
• MIDI inputs / outputs: 1/1 DIN
• Ethernet: One RJ45
• Audio/Midi interface: One USB Type B

Mic Input Characteristics

• Preamp design: Midas
• THD + noise, 20dB gain, 0dBu out: < 0.005%, A-weighted
• Phantom power, switchable per input: 48V
• Equivalent input noise level, XLR (input shorted): -128dBu, A-weighted
• CMRR, XLR, @ 2dB gain (typical): > 60dB
• CMRR, XLR, @ 40dB gain: > 65dB

Input/Output Characteristics

• Frequency range, @ 48kHz sample rate, 0dB to -1dB: 10Hz–22kHz
• Dynamic range, analog in to analog out (typical): 106dB
• A/D dynamic range, preamp to converter (typical): 109dB
• D/A dynamic range, converter and output: 108dB
• Cross talk rejection @ 1kHz, adjacent channels: 90dB
• Mic 1-16 Input Impedance XLR jack, unbalanced/balanced: 5 kΩ / 10 kΩ
• Non clip maximum input level, XLR: +23dBu
• Hi-Z 1-2 Input Impedance TRS jack, unbalanced/balanced: 1 MΩ / 2 MΩ
• Line 3-16 Input Impedance TRS jack, unbalanced/balanced: 5 kΩ / 10 kΩ
• Line 17-18 Input Impedance RCA / TRS: 10 kΩ
• Non clip maximum input level, RCA / TRS: +16dBu

Output Characteristics

• Output impedance, XLR, unbalanced/balanced: 50 Ω / 50 Ω
• Output level, XLR, nom./max.: +4dBu / +16dBu
• Output impedance, TRS, unbalanced/balanced: 50 Ω / 50 Ω
• Output level, TRS, nom./max.: +4dBu / +16dBu
• Phones Output Impedance / Level: 40 Ω / +35dBm (stereo)
• Residual Noise Level, XLR and TRS: -92dBu, A-weighted

USB Audio/MIDI Interface

• Type: USB 2.0, type B
• Supported operating systems: Windows 7 or higher**, Mac OS X 10.6.8 or higher, iOS 7 or higher (iPad), Linux
• Supported sample rates: 44.1/ 48kHz
• I/O audio channels: 18 x 18
• I/O MIDI channels: 16 x 16 (1 port)

WLAN Module

• Antenna: External, SMA connector, 50 Ω
• Access Point, number of clients: Max. 4
• IEEE 802.11 b/g standard: 2.4GHz
• Frequency Range: 2,412-2,462MHz
• WLAN channels (Wifi Client, Access Point): 1-11
• Max Output Power: 19dBm (802.11 b) / 18dBm (802.11 g)

Power

• Switch-mode power supply: Autorange 100-240V, (50/60Hz)
• Power consumption: 30W

Physical

• Standard operating temperature range: 5°C – 40°C (41°F – 104°F)
• Dimensions: 13.1 x 5.9 x 5.5″
• Weight:  7.1 lb.