Found posted on another forum:
Test Report from Car Audio & Electronics March 1999:
Soundstream Lil' Wonder:
staggered electronic x-overs consisting of independently settable high-pass, low-pass and infrasonic filters with 12 dB-per-octave slopes
2 x 58 watts into 4 ohms
2 x 61 watts into 2 ohms
1 x 132 watts into bridged 4 ohms
All at 1/10 % THD
Unregulated power supply
Frequency Response + 0.2, -1, 14 Hz to 120 kHz.
Input 250 mvolts to 5.7 volts with -82dBW noise floor
Damping Factor = 290
7 x 9 x 2.5 inches
$299 list price
There were a couple different models though.