TOPPING has unveiled their latest portable device, the NX7 NFCA Modules Headphone Amplifier, which has 3 step gain settings and 3.5mm, 4.4mm outputs. It is priced at USD 179.00 and is available in our store now. The new NFCA amplifier circuit in NX7 is specifically designed for portable amplifiers. And the portable device with 20 hours battery life at low and medium gains, so you could carry it all day and without battery anxiety.
The NX7 can output 180mW of high power under a load of 300 ohms, and with the help of 3 step gain setting, the small body can easily beat the full-sized headphones. It is worth mentioning that even when the output is 200mW, the load distortion is only 0.00008%. The output impedance of NX7 is as low as 0.10. Even if it is driving high-sensitity IEMs, it will not introduce sound coloration. No longer need to worry about sound matching.
The background noise of NX7 is only <0.3uV, which is inaudible and as quiet as the deep ocean. This is done while having 0.00007% THD+N and 135dB SNR. It's powerful and clean enough for power-hungry full-sized headphones and sensitive IEMs.
The low gain of NX7 is -13.8dB. When used with high-sensitivity in-ear headphones, there will be almost no trouble of potentiometer bias in the comfortable volume range. You will no longer need to worry about the embarrassment of the volume the setting of high-sensitivity in-ear headphones.
NX7 is nicely built, with a sturdy, all-aluminum chassis and knurled volume knob, also with corner guards at both ends to protect the entire panel, effectively preventing the volume knob from being mistouched in the pocket, and greatly reducing the possibility of breaking the headphone plug. Go along and check more details on the product page here, and the measurements of the TOPPING NX7 from L7Audiolab.
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