NSM Model 10 speakers. - Birch - Open Box As New.
https://nsmt-loudspeakers.com/Discontinued
SPECIFICATIONS:
Dimensions: 5.5 X 10 X 6.5 (W x H x D)
Frequency Response: 55Hz-20kHz, +/- 3dB
-6dB referenced to 1kHz: 35Hz. (not a typo)
Sensitivity: 83.5dB 1/watt/m
Rated Impedance: 8 ohms
Cabinet construction: Cross-braced half inch MDF or wood board
Finish: satin black lacquer, or light wood
Weight: 16 pounds per pair
Recommended amplifier: 45-200 watts
1 pair Model 10 satin black