http://www.altomobile.com/html/crossovers.html

http://www.altomobile.com/assets/images/DRIVE30.jpg http://www.altomobile.com/assets/images/Drive30_screen.gif
DRIVE20
Channel Layout: 2 inputs / 4 fullrange outputs + 1 subwoofer output
Inputs: 2 RCA phono. Outputs: 5 RCA phono
Max. input/output Level: 9V (older version Max. output 2.9V)
Frequency Response: 20Hz-20KHz (-3dB)
Signal to Noise Ratio: 86dBA
THD+N: 0.02 % @ 1KHz
Conversion: Sigma-Delta 20 bits a/d, 24 bits d/a converters
Operating Voltage: 11 - 16V DC (negative ground only)
PC Interface: RS232 9-pin

Input section for each channel
EQ Filters:
- Five per channel
- Type: Parametric (Biquadratic Bell Filters type III additive)
- Gain: +/- 15dB, 0.5dB step
- Frequency: 20Hz to 20KHz, 1/12 oct. step
- Bandwidth (Q): 0.05 to 3 octaves, 0.05 oct. step
Delay (inputs): 0 - 99 ms, 1 ms step (fine step 21us)

Output section for each channel
Crossover Filters:
- High-Pass, Low-Pass, Band-Pass
- Characteristic: Butterworth
- Filter slopes: 6dB, 12dB, 18dB & 24dB/octave
EQ Filters:
- Five per channel, specification as Input section
Time Alignment (outputs): 0 - 99 ms, 1 ms step (fine step 21us)
Polarity (Phase Adjust): 0/180 degrees
Dynamic Compressor/Limiter: Variable Threshold, Attack & Release
Output digital gain control: +/- 12dB, 0.5dB step
Channel Mute: On / Off
Width (including mounting brackets): 273 mm (excluding): 250 mm
Depth (including power connector and phonos): 184 mm (excluding): 175 mm
Height (including controls): 34 mm
Certification: (E1) 10 R - 023317

[b]DRIVE30[b]
General specifications as DRIVE20 except:
Channel Layout: 2 inputs / 6 fullrange outputs + 1 subwoofer output
Outputs: 7 RCA phono

Output section
Delay (time alignment): channels 1-4 only
Certification: (E1) 10 R - 023317
This stuff's got me drooling.

They've got a 4-way digital crossover with time alignment...

I oh so want to get one of these to play with =P

-- Dave