---
product_id: 55190606
title: "Topping 4330354362 NX1s Digital HiFi Portable Headphone Amplifier (Black)"
brand: "aimpire"
price: "€ 53.10"
currency: EUR
in_stock: false
reviews_count: 8
url: https://www.desertcart.hr/products/55190606-topping-4330354362-nx1s-digital-hifi-portable-headphone-amplifier-black
store_origin: HR
region: Croatia
---

# Intelligent charging 40h playback power Full aluminum durability Topping 4330354362 NX1s Digital HiFi Portable Headphone Amplifier (Black)

**Brand:** aimpire
**Price:** € 53.10
**Availability:** ❌ Out of Stock

## Summary

> 🎧 Power your passion with portable precision.

## Quick Answers

- **What is this?** Topping 4330354362 NX1s Digital HiFi Portable Headphone Amplifier (Black) by aimpire
- **How much does it cost?** € 53.10 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/55190606-topping-4330354362-nx1s-digital-hifi-portable-headphone-amplifier-black)

## Best For

- aimpire enthusiasts

## Why This Product

- Trusted aimpire brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Powerhouse:** At just 78g and pocket-sized, this amp delivers impressive 150mW output without weighing you down—perfect for your mobile lifestyle.
- • **Sleek & Sturdy Design:** Crafted with a premium full aluminum case, combining lightweight portability with rugged durability for the on-the-go professional.
- • **Smart Charging Indicator:** Stay effortlessly in control with an intelligent battery indicator and fast micro USB charging—never get caught off guard.
- • **Endless Listening Freedom:** Up to 40 hours of uninterrupted audio bliss keeps you powered through long workdays and weekend escapes.
- • **Audiophile-Grade Sound Precision:** Crystal-clear output with ≥117dB SNR and versatile gain modes to perfectly drive headphones from 16 to 300Ω impedance.

## Overview

The Topping NX1s is a compact, lightweight digital HiFi headphone amplifier featuring a robust full aluminum case, 40-hour battery life, and intelligent charging with a battery indicator. It delivers high-fidelity sound with a signal-to-noise ratio of ≥117dB and supports headphones with impedance from 16 to 300 ohms, making it an ideal portable amp for audiophiles seeking powerful, distortion-free audio on the go.

## Description

Spec: Measured: 8.4cm*5.5cm*1.0cm Weight:78g Power input: DC5V/1A(PC`s USB 0.5A) Charge time: 40 hours THD+N: SNR:≥117dB Noise: Gain: 0dB/8.7dB Bass:0dB/4.0dB Output Power: 150mW(32Ω); 25mW(300Ω) Frequency response: 20Hz-100kHz Recommended Headphone Impedance: 16-300 ohm Warning: Output voltage of the charger could not exceed 5V Package: NX1s *1 3.5 to 3.5 Audio Cable *1 Rubber band *2 Velcro *5 Rubber Pad *1 User Manual *1 Warranty card *1

Review: Surprisingly impressive. - omg this thing is so adorable. It's about half the size of most portable amps. I bought it to add a bit of extra juice to my Sennheiser 558s and AKG K7xx after I traded in my V20 for a Note 8. The V20 had a built-in amp/dac that was more than powerful enough for the 50ohm and 62ohm impedance of the 558s and k7xxs, respectively. Now that I don't have the V20, I needed something that could give those devices a little extra juice. Pros 1. Surprisingly powerful for such a little thing. One of the few portable amps under $150 that can get decent power to a 300ohm set of cans (24mW @300ohm, I believe, which is more than enough for volume, at least). 2. It's small. Like surprisingly small. Much smaller than something like FiiO A5. The FiiO A5 has more power, but this thing is like half the size and it comes fairly close, actually. 3. The volume knob feels nice. 4. Comes with high and low gain modes as well as a bass boost switch. Nice! 5. Charges relatively quickly. 6. Rock bottom price.This is the best amp for under $50 in terms of pure power output. Cons 1. None really. 2. The output impedance is reportedly 3.5ohm. That makes this amp not great for sensitive, low impedance IEMs where the output impedance should be as close to zero as possible. This amp is for big ole over-ears, not IEMs. For the price, this thing is a steal or at least worth the risk. I didn't think I'd ever be buying a $40 amp, but here we are and this thing is impressive. There are better amps, obviously, but you have to pay more for them. This is great for audiophiles on a budget that need a little extra juice to power those headphones. I tried these with a pair of HD600s and they got LOUD. The 600s would benefit from even more power than this thing can provide, but this little thing will get you there in a pinch.
Review: Not much amplification when using 62 ohm K7XX headphones - I like this little amplifier - some folks run it down compared to other amps that cost 4 or 5 times as much, but for it's price, it is great. One problem that I have is that there isn't much amplification when using 62 ohm Drop AKG K7XX headphones - maybe it can put out more volume on higher impedance headphones but at 62 ohms is is marginally better on output power than my Samsung tablet or phone. It does allow me to bump the bass up a little, and can drive the headphones to the same level as my tablet or phone, but without the distortion I seem to sense when using the tablet or phone without the amplifier. Battery life is definitely acceptable - I may use the amp an hour or two a day and charge it every 4 or 5 days just to make sure I don't run the battery down - and it hasn't died on me yet.

## Features

- 40 hours long play back time;
- Full aluminum case;
- Micro USB charge port;
- Intelligent charging with battery indicator
- TOCOS potentiometer;

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 3.9 out of 5 stars 109 Reviews |

## Images

![Topping 4330354362 NX1s Digital HiFi Portable Headphone Amplifier (Black) - Image 1](https://m.media-amazon.com/images/I/6112MJy2MEL.jpg)
![Topping 4330354362 NX1s Digital HiFi Portable Headphone Amplifier (Black) - Image 2](https://m.media-amazon.com/images/I/611gLCdr9tL.jpg)
![Topping 4330354362 NX1s Digital HiFi Portable Headphone Amplifier (Black) - Image 3](https://m.media-amazon.com/images/I/61fPxTwSz-L.jpg)
![Topping 4330354362 NX1s Digital HiFi Portable Headphone Amplifier (Black) - Image 4](https://m.media-amazon.com/images/I/716jwzLAR7L.jpg)
![Topping 4330354362 NX1s Digital HiFi Portable Headphone Amplifier (Black) - Image 5](https://m.media-amazon.com/images/I/81TUqP48fhL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Surprisingly impressive.
*by J***Y on November 17, 2017*

omg this thing is so adorable. It's about half the size of most portable amps. I bought it to add a bit of extra juice to my Sennheiser 558s and AKG K7xx after I traded in my V20 for a Note 8. The V20 had a built-in amp/dac that was more than powerful enough for the 50ohm and 62ohm impedance of the 558s and k7xxs, respectively. Now that I don't have the V20, I needed something that could give those devices a little extra juice. Pros 1. Surprisingly powerful for such a little thing. One of the few portable amps under $150 that can get decent power to a 300ohm set of cans (24mW @300ohm, I believe, which is more than enough for volume, at least). 2. It's small. Like surprisingly small. Much smaller than something like FiiO A5. The FiiO A5 has more power, but this thing is like half the size and it comes fairly close, actually. 3. The volume knob feels nice. 4. Comes with high and low gain modes as well as a bass boost switch. Nice! 5. Charges relatively quickly. 6. Rock bottom price.This is the best amp for under $50 in terms of pure power output. Cons 1. None really. 2. The output impedance is reportedly 3.5ohm. That makes this amp not great for sensitive, low impedance IEMs where the output impedance should be as close to zero as possible. This amp is for big ole over-ears, not IEMs. For the price, this thing is a steal or at least worth the risk. I didn't think I'd ever be buying a $40 amp, but here we are and this thing is impressive. There are better amps, obviously, but you have to pay more for them. This is great for audiophiles on a budget that need a little extra juice to power those headphones. I tried these with a pair of HD600s and they got LOUD. The 600s would benefit from even more power than this thing can provide, but this little thing will get you there in a pinch.

### ⭐⭐⭐⭐ Not much amplification when using 62 ohm K7XX headphones
*by B***. on January 25, 2020*

I like this little amplifier - some folks run it down compared to other amps that cost 4 or 5 times as much, but for it's price, it is great. One problem that I have is that there isn't much amplification when using 62 ohm Drop AKG K7XX headphones - maybe it can put out more volume on higher impedance headphones but at 62 ohms is is marginally better on output power than my Samsung tablet or phone. It does allow me to bump the bass up a little, and can drive the headphones to the same level as my tablet or phone, but without the distortion I seem to sense when using the tablet or phone without the amplifier. Battery life is definitely acceptable - I may use the amp an hour or two a day and charge it every 4 or 5 days just to make sure I don't run the battery down - and it hasn't died on me yet.

### ⭐⭐⭐⭐⭐ Outstanding
*by S***H on September 27, 2018*

After reading the mixed reviews on other small headphone amplifiers, I decided to treat myself to something better with the NX1s. I am an audiophile and, for the price, this headphone amp has exceeded my expectations. The packaging is elegant, and the amp comes with a variety of accessories, including a short male-to-male 3.5mm headphone cord, a short micro USB charging cable (same size as Android phones use), stick-on Velcro dots for mounting the amp, a couple large rubber bracelets for other mounting options, and a non-slip pad. I bought this to boost the signal into the AUX input for my vehicle's OEM stereo (2009 Toyota Tacoma). Without a volume boost, the gain of the car's AUX input is so low that any auxiliary music is faint, even at full volume. Using the Velcro tabs, I have the NX1s mounted discretely under the radio. So how does the NX1s sound? At full volume, max gain, and max bass boost there is no added hiss. I have not heard any distortion, although I suppose that it would start clipping if the input signal is too high. Amplification is clean, the high-gain boost is okay (I'd still like more but this will do), and the bass boost is reasonable without being boomy. A small LED illuminates when the amp is charging; I don't yet have enough usage to evaluate the battery duration. The volume control feels smooth, a nice potentiometer with an off position. The case is milled aluminum, very solid construction, about the size of a credit card and as thick as a pencil. There are two gain modes, low and high. The low mode doesn't seem to amplify much, if at all. The manual nicely includes spectrographs of the response levels for various settings, and indeed it show ~0db gain in low mode, with a slight bass rolloff below 50 Hz. Without the bass boost, the low gain setting is probably only good for reducing the bass response a bit. With the bass boost on, the low-end gain starts ramping up gently below about 200 Hz, reaching about +4.5 db at 20 Hz. If your headphones don't quite have the bass kick you're looking for, this feature can help. In high gain mode the added signal is about +9 db, which is not huge, but enough to give my anemic car stereo a sufficient level of ecstasy. The bass boost in high-gain mode ramps up the same, to about +13.5 db at 20 Hz. THD is mostly low, with a minor bump around 5 KHz. Overall, this is really nice headphone amp.

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-08*