The 2170 is the polar opposite of bright or forced in the upper mid range or highs. If it veers off neutral it is towards the warm and smooth side of the scale.
It is rated at 80 watts into 8 ohms. Your speaker is 4 ohm and the 2170 puts out some 170 watts into 4 ohms. Your speaker does not dip below 3.5 ohms and is 91.5 effecient. The 2170 has more than enough power. My speakers are 5 ohm 89 dB effecient in a huge room and I have far more power than I could ever use. My room is 34x21 with 10 foot ceilings.
It is rated at 80 watts into 8 ohms. Your speaker is 4 ohm and the 2170 puts out some 170 watts into 4 ohms. Your speaker does not dip below 3.5 ohms and is 91.5 effecient. The 2170 has more than enough power. My speakers are 5 ohm 89 dB effecient in a huge room and I have far more power than I could ever use. My room is 34x21 with 10 foot ceilings.