tutbrandonFrom https://www.fostexinternational.com/docs/products/PM0.3__PM0.3d.shtml:
Specifications
SPEAKER SECTION
LF driver: 3" (7.5cm) cone speaker
HF driver: 3/4" (19mm) soft dome tweeter
Frequency Response: 110 Hz – 20kHz (+-3dB)
Crossover Frequency: 2.65kHz
AMPLIFIER SECTION
INPUT A
Connector: RCA
Input Sensitivity: 360mV
INPUT B
Connector: Stereo Mini
Input Sensitivity: 650mV
Output Power: 15W + 15W (RMS)
T.H.D. less than 0.1% (at 1W, 4-ohm loaded, 20-20kHz)
S/N Ratio: 90dB or less (A-weighted)
GENERAL
Power Supply: DC IN 15V
Dimensions: 100mm (H) x 185mm (H) x 130mm (D) excluding protrusions
Net Weight: 2.9kgs (1.49kgs R unit + 1.44kg L unit)
Supplied accessories: AC Adapter, L-R Speaker Cable (1.5m), Stereo mini – Stereo mini cable (0.8m)