Fanmusic Topping L70 Full Balanced NFCA Headphone Amplifier 4Pin XLR/4.4 Balanced/6.35mm SE Output Amp with Remote Control (Black)

Product description
Output Power: SE IN/SE OUT, BAL IN/SE OUT 3500mW x2 @16THD+N< 0.1 % 2300mW x 2 @32 THD+N< 0.1 % 1200mW x 2 @64 THD+N< 0.1 % 290mW x 2 @300 THD+N< 0.1 % SE IN/BAL OUT, BAL IN/BAL OUT 6000mW x2 @16 THD+N< 0.1 % 7500mW x2 @32 THD+N< 0.1 % 4700mW x 2 @64 THD+N< 0.1 % 1150mW X 2 @300 THD+N< 0.1 % 600mW X 2 @600 THD+N< 0.1 % UItra-High Performance NFCA modules L70 uses same NFCA (Nested Feedback Composite Amplifier) module with A90. Voltage current hybrid feedback architecture along with UHGF (Ultra High Gain Feedback) technology provide excellent DC and AC performance, ultra-low THD+N and absurdly high dynamic range of 146dB. Even more, high output current drive capability, ultra-low output impedance and the ultra-low noise of 0.3 uV, so that high-fidelity music can be vividly performed on different headphones. 4-Pin-XLR/ 4.4 mm balanced/ 6.35 mm SE The L70 is compatible with common headphone jacks including: 4-pin XLR balanced, 4.4 mm balanced, 6.35 mm single -ended, and 3.5 mm single- ended. The built-in fully balanced amplifier circuit can not only fit well with balanced headphones, but also have perfect performance with single ended headphones. Compatible with almost all kinds of headphones L70's output has high output voltage, high output current, low noise, low output impedance, SO no headphones that can't be dealt with. High output voltage can easily drive high impedance headphones; High output current allows low-sensitivity headphones to obtain enough power; Low noise allows high-sensitivity IEMs to not suffer from any background noise; The low output impedance will not bring unnecessary effect on FR when driving low-impedance headphones. Different headphones can be easily driven by the L70. 2 gain settings to suit different needs L70 has 2 gain settings, which cover a wider range of needs to meet the needs of different headphones from low-sensitivity full-sized over-ears to high- sensitivity IEMs. With the help of extremely low noise 0.3 uV, even IEMs will not hear any background noise. A Headphone Amp, also a Preamp The L70 is not only able to drive the headphones but also served as a preamp.

When it is in preamp mode, you can get the same high performance as the headphone amp mode, and the 20ohm SE and 40ohm balanced output impedance are widely suitable for various power amplifiers. The full-featured remote control makes it more convenient for you to use. Ground Loop Noise Terminator Ground loop noise may be encountered when multiple devices are used in combination. L70 has a GND/LIFT switch to solve this problem. When in normal use, set it to GND; and when ground loop noise is encountered, switch it to LIFT. Then the ground loop noise is terminated.
Balanced Output: Low Gain 6.0 dB, High Gain 19.8 dB
SE Output: Low Gain 0dB, High Gain 13.8 dB Customize volume control L70 uses a R2R volume control composed of relays and resistor networks, brings the advantages of precise control, longevity, complete channel balanced and remote control. L70 can set to memorizes the volume and gain for 8 output settings. It can be adapted more personalized when connecting different earphones and other devices, which greatly improves the convenience of use. According to the customized settings, a safe volume can be set for the L70 to avoid sudden loud sound after power on/input switch.