TOPPING A50s Headphone Amplifier (Apos Certified Refurbished)

  Although a dead ringer for its predecessor, the TOPPING A50s is a headphone amp with specs that outshine the A50 in nearly every way. Don’t Look Down With a THD+N of 0.00007% and SNR of 143dB, the TOPPING A50s’ noise floor is so far down you might get dizzy. Compare this to the original A50, which has a THD+N of <0.0004% and an SNR of 123dB. The Power Hitter The TOPPING A50s swings for the fences with its output power, driving a whopping 3,500W x2 @32Ω (more than 1,000mW more powerful than the A50). With that sort of power, you can drive anything from sensitive IEMs to power demanding headphones. 6.35 Single-Ended and 4.4 Balanced Outs The A50s offers both a 6.35 single-ended and a 4.4 balanced out on its front plate. Both options deliver stellar dynamic range (138dB/144dB) and output impedance (<0.1Ω/0.2Ω). High-Low Gain Setting Drive high impedance headphones with ease thanks to the