TOPPING NX3s Portable Headphone Amplifier OPA2140 LME49720 545mW x 545mW USB Bass Gain Digital Audio Power Amplifier (Black)
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♪ 18 H WORK & 4 H FAST CHARGING : NX3s built in 2400mah Lithium ion battery. NX3s can adaptively charge current of 0.5A or 1A.♪ EXCEEDING HI-RES AUDIO STANDARD: NX3s has been certified by Hi- Res Audio authentication Japan, 20-200kHZ frequency response.♪ BASS & GAIN ADJUSTMENT : It can satisfy different listening preferences and make up for the lack of earphone bass.0dB / 8.8dB gain regulation.♪ DRIVE MOST HEADPHONES : NX3s also can drive high impedance earphone. 545mW * 2 output; It can still output 100mW power at 300Ω impedance.♪ TOPPING NX3s PORTABLE HEADPHONE AMPLIFIER: OPA2140 + LME49720. LME49720 has an operational amplifier socket and can be changed to other DIP-8 dual op amp.
상품설명
Topping NX3s Portable Hifi Headphone Amplifier Type: Topping NX3s Color: Black Size: 10.7 * 6.6 * 1.36 CM (Not include protruding parts) Machine weight: 157G (excluding accessories) Performance parameters Chipset: OPA2140 + LME49720 Charge Description: DC5V1A, (also can be charged by computer USB port). Input interface: 3.5mm headphone interface Ear output interface: 3.5mm headphone interface Battery capacity: 2400mAh Full fill charging time <4H Standby time >18H Power indicator: Blue (bright red when low power). Charge indication: red when charging (slow charging); orange (fast charge), bright green when full of electricity. Product parameters Total harmonic distortion @a-weighting <0.0017%@ 1KHZ Output=273mw (32Ω) <0.0025%@2020 khz Output=273mW (32Ω) <0.0003%@1 khz Output=50mW (300Ω) <0.0008%@20-20 khz Output=50mw (300Ω) Output amplitude: 11.5vpp @32Ω Gain=L, Bass=OFF 15 Vpp@ 300Ω Gain=L, Bass=OFF Bottom noise: <2.5uVrms @ Gain=L <6.5uVrms @ Gain=H Signal to noise ratio @ A-weighting: >120dB@1kHz Frequency response: 20Hz - 200kHz (±0.55dB) Channel crosstalk: -90db @1khz Channel balance: 0.04dB Gain: 0db/8.8dB Bass boost: 0db/4db (70HZ) Output power: 545mW x 2 @32Ω THD+N<1% 100mW x 2 @ 30Ω THD+N<1% Adapted impedance : 16 - 300Q Package include: 1 * Topping NX3s headphone amplifier 1 * USB charge cable 1 * 3.5mm cable 5 pairs * Velcro 2 * Bandage 1 * User's manual 1 * Warranty card 1 * Rubber pad
♪ 18 H WORK & 4 H FAST CHARGING : NX3s built in 2400mah Lithium ion battery. NX3s can adaptively charge current of 0.5A or 1A.♪ EXCEEDING HI-RES AUDIO STANDARD: NX3s has been certified by Hi- Res Audio authentication Japan, 20-200kHZ frequency response.♪ BASS & GAIN ADJUSTMENT : It can satisfy different listening preferences and make up for the lack of earphone bass.0dB / 8.8dB gain regulation.♪ DRIVE MOST HEADPHONES : NX3s also can drive high impedance earphone. 545mW * 2 output; It can still output 100mW power at 300Ω impedance.♪ TOPPING NX3s PORTABLE HEADPHONE AMPLIFIER: OPA2140 + LME49720. LME49720 has an operational amplifier socket and can be changed to other DIP-8 dual op amp.
상품설명
Topping NX3s Portable Hifi Headphone Amplifier Type: Topping NX3s Color: Black Size: 10.7 * 6.6 * 1.36 CM (Not include protruding parts) Machine weight: 157G (excluding accessories) Performance parameters Chipset: OPA2140 + LME49720 Charge Description: DC5V1A, (also can be charged by computer USB port). Input interface: 3.5mm headphone interface Ear output interface: 3.5mm headphone interface Battery capacity: 2400mAh Full fill charging time <4H Standby time >18H Power indicator: Blue (bright red when low power). Charge indication: red when charging (slow charging); orange (fast charge), bright green when full of electricity. Product parameters Total harmonic distortion @a-weighting <0.0017%@ 1KHZ Output=273mw (32Ω) <0.0025%@2020 khz Output=273mW (32Ω) <0.0003%@1 khz Output=50mW (300Ω) <0.0008%@20-20 khz Output=50mw (300Ω) Output amplitude: 11.5vpp @32Ω Gain=L, Bass=OFF 15 Vpp@ 300Ω Gain=L, Bass=OFF Bottom noise: <2.5uVrms @ Gain=L <6.5uVrms @ Gain=H Signal to noise ratio @ A-weighting: >120dB@1kHz Frequency response: 20Hz - 200kHz (±0.55dB) Channel crosstalk: -90db @1khz Channel balance: 0.04dB Gain: 0db/8.8dB Bass boost: 0db/4db (70HZ) Output power: 545mW x 2 @32Ω THD+N<1% 100mW x 2 @ 30Ω THD+N<1% Adapted impedance : 16 - 300Q Package include: 1 * Topping NX3s headphone amplifier 1 * USB charge cable 1 * 3.5mm cable 5 pairs * Velcro 2 * Bandage 1 * User's manual 1 * Warranty card 1 * Rubber pad
2021-02-26 10:10:45
