- TRS differentially balanced ins and outs
- Mode switches for mono 4-way or stereo 2-way/3-way operation
- Low frequency summed (subwoofer) output
- x10 range switch on both channels
- 40Hz high pass (low cut) filter both channels
- Phase reverse switch on all outputs
- Individual level controls on all outputs
- 24dB per octave Linkwitz-Riley filters (the professional standard)
- Stereo/Mono status LEDs indicate the selected mode
- dbx® 2 year parts and labor as standard
- CSA NRTL/C approved
- CE compliant
Specifications
| Input Connectors | 1/4" TRS | 
| 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 | 1/4" TRS | 
| 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), >93dB (Mid Output), >90dB (High Output) | 
| Signal-to-Noise (Mono Mode) | >94dB (Low Output, Low/Mid Output); >92dB (High/Mid Output); >88dB (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/Mid: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting); Low/High: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting); Mid/High 450Hz to 9.6kHz (x10 setting) | 
| Crossover Frequencies (Mono Mode) | Low/Low-Mid: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting); Low-Mid/High-Mid: 450 Hz to 9.6 kHz; High-Mid/High: 450 Hz to 9.6 kHz | 
| 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 2/3/4-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 | 100-120 VAC 50/60Hz; 120 VAC 60Hz 230 VAC 50/60Hz | 
| 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) | 
| Unit Weight | 4.0 lbs. (1.8 kg) | 
| Shipping Weight | 5.8 lbs. (2.6 kg) | 
 
 
             
             
           
       
                   
           
                   
           
           
                   
           
                   
           
                   
           
                   
           
                  