How much does this cost to the nearest dollar?

Topping L50 Amplifier NFCA Modules 0.3uV Ultra Low Noise Cost-Effective Bypass Output Headphone Amplifier (Black)
Redesigned new NFCA circuit based on the same working principle as the one in A30 Pro. It provides 2x power at 300 Ohm compared to L30. With the help of NFCA, L50 easily reaches the top of the industry, and it has almost perfect performance regardless of distortion, dynamic range, and multi-tone testing. Max output power 3500mW x@16Ω, 540mW x@300Ω L50 adopts the New NFCA circuit. L50 has three gain options. Covering a wide gain range is sufficient to meet the needs of low-sensitivity full-sized over-

Price is $169.00

Price: $169