| Input Connectors | XLR (pin 2 hot) |
| Input Type | Electronically balanced/unbalanced, RF filtered |
| Input Impedance | Balanced >50k ohm, unbalanced >25k ohm |
| Max Input | >+22dBu balanced or unbalanced |
| CMRR | >40dB, typically >55dB at 1kHz |
| Output Connectors | XLR |
| Output Type | Impedance-balanaced/unbalanced, RF filtered |
| Output Impedance | Balanced 200 ohm, unbalanced 100 ohm |
| Max Output | >+21dBu balanced/unbalanced into 2k ohms or greater |
| Bandwidth | 20Hz to 20kHz, +/-0.5dB |
| Frequency Response | < 3 Hz to > 90 kHz, +0/-3 dB |
| Signal to Noise Ratio | Ref: +4 dBu, 22 kHz measurement bandwidth |
| Signal-to-Noise (Stereo Mode) | >94dB (Low Output), >91dB (High Output) |
| Signal-to-Noise (Mono Mode) | >94dB (Low Output), >93dB (Mid Output), >91dB (High Output) |
| Dynamic Range | > 106 dB, unweighted, any output |
| THD+Noise | < 0.004% at +4 dBu, 1 kHz; < 0.04% at +20 dBu, 1 kHz |
| Interchannel Crosstalk | < -80 dB, 20 Hz to 20 kHz |
| Crossover Frequencies (Stereo Mode) | Low/High: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting) |
| Crossover Frequencies (Mono Mode) | Low/Mid: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting); Mid/High: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting) |
| Crossover Filter Type | Linkwitz-Riley, 24 dB/octave, state-variable |
| Low cut Switch | Activates 40 Hz Butterworth, 12 dB/octave high-pass filter, one switch per channel. |
| Phase Invert Switch | Inverts the phase at the output, one switch per output. |
| x1 / x10 Switch | Multiplies the low-high(mono: low/mid and high/mid) crossover frequency range of the front-panel markings by a factor of 1 or 10, one switch per channel. |
| Mode Switch | Selects stereo/mono and 2/3-way operation |
| LF Sum Switch | Selects normal (stereo) or mono-summed low frequency operation and disables Ch 2’s low output phase invert LED to indicate that this output is not operational in the LF sum mode. |
| Indicators | Stereo Operation (Green); Mono Operation (Yellow); Low Cut (Red-per channel); x10 (Green-per channel); Phase Invert (Red-per output) |
| Operating Voltage | 100 VAC 50/60 Hz; 120 VAC 60 Hz 230 VAC50 HZ |
| Operating Temperature | 32°F to 113°F (0°C to 45°C) |
| Power Consumption | 15W |
| Power Connector | IEC receptacle |
| Dimensions | 1.75" H X 19" W X 6.9" D (4.4cm x 48.3cm x 17.5cm) |
| 设备重量 | 3.7 lbs. (1.7 kg) |
| Shipping Weight | 5.4 lbs. (2.5 kg) |