Best Metal Amplifier Speakers in 2026

This is Nobsound's new power amplifier in 2022. Based on our previous product, we enhance its output power and improve its functionality, while still keep its mini size and elegant design.

Despite its mini size(can be hold with one hand), the output power is improved to 100W(50W*2) with the upgraded chip. You will be amazed by its output power compared to its size when you see it.

Supporting AUX/USB/Bluetooth input. You can enjoy your music in different ways. The Bluetooth function is also upgraded to 5.0. Now it is more stable and faster.

This full frequency amplifier adopts brand-new TI TPA3116D2 amplifer chip, which can offer 100W powerful output and 90% efficiency.

Compared with other similar products on the market, it also uses a NE5532 buffer op-amp to achieve more powerful performance.

Its super mini size can be easily hold by one hand, which will be a good match for your desktop.

With PBTL/SUB switch: convenient to use G2 PRO as full frequency amp or subwoofer amp, a SUB output is specially designed for active subwoofer. G2 PRO can connect to both passive and active subwoofers. And two G2 PRO can be used to drive left and right channel independently to avoid mutual interference.

Max 300W output power: using TPA3255D2 amp chip and equipped with 32V/5A large power supply, enough to drive 320W passive speakers or subwoofers. It also has a good match with outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers.

Best design and HiFi sound: with a gain switch to allow 2-level of output level setting (32/36 dB) and SUB frequency adjustment (40-300Hz). It also has built-in speaker protection circuit, low-pass filter to guarantee no audible noise even at high power output, SUB signal and amp can output at the same time to bring HiFi listening experience.

Mini Elegant Size But Powerful: ① NS-20G mini compact size suits very well for home and desktop use, and the output power is improved to 200W (100W*2) with 2PCS TPA3116 chip; ② You will be amazed by its output power compared to its size when you see it.

HiFi Sound and Bluetooth Lossless Transmission: ① HiFi clear and clarity sound, no audible noise; ② Bluetooth 5.0+EDR+DSP (Digital Signal Processing) to achieve real wireless lossless signal transmission and enjoy much better Hi-Fi sound quality within 15M distance, which brings you high-grade listening feast without any background noise.

NS-20G can be used as headphone amplifier(Only support 15-32Ω headphones). Bluetooth and AUX input can be widely applied to All Your Favorite Devices. Suits 5-8 inches / 4-8Ω / 20-120W speakers

As a digital power amplifier & music player, it supports RCA/AUX/USB/BT 5.0/TF Card inputs, almost compatible with all home audio device such as phone, tablet, computer, TV, set-box, CD player etc. U-disk and TF card support WAV, APE, FLAC lossless formats .

USB interface supports U-disk, computers (no need for driver) and phones (with OTG function) input. Bluetooth 5.0 achieves stable and faster transmission speed, TF card makes it convenient to enjoy high-quality music even on the road or outdoor.

Adopting powerful amplifier chip, max output power can reach 60W+60W, enough for most home desktop/bookshelf/indoor passive speakers(4-16Ω). The sound is clear and clean without any audible noise even at high output.

This product uses high quality fully-balanced potentiometers, NEUTRIK XLR, Pro-Singnal RCA. Nobsound never be stingy in the components and materials of our products.

This prodcut has a small size, while is still euipped with commonly-used interfaces. There is a selection switch which you can choose the fully-balanced or single-ended audio signal mode, as well as the output or input mode.

This prodcut has no amplifying circuit and won't change the timbre. You can enjoy the most original sound of your active monitor speakers.

Nobsound E6 adopts direct heated vacuum tubes, because of difficulties in the control of noise level degree and the balance degree of high, medium and low frequency, and excessive drive current easily affects the balance, this type of tube preamp is rare in the market, but the sound is absolutely amazing compared with in-directly heated tubes, the sound is so elegant and beautiful that nobody can escape from its intoxicating timbre.

Amazing direct heated tubes design: this type features excellent characteristics, greater control ability and linearity, much ultra-low distortion, more transparent sound and little background noise. The sound is full of space sense with rich details, extended and delicate high frequency, full and mellow mid frequency.

Vintage and pluggable 2J27S vacuum tube: military-grade tube with strong quality, adopts pure ceramic tube socket with anti-oxidation contact to ensure the best insulation performance.