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.

Unique and amazing combination: integrated ST-01 amplifier with VU meter into whole in such a mini size, when enjoy HiFi music, the pointer dancing in the warm light with strong vintage feelings, dynamically decorates the audio system space.

HiFi clear sound with tone control: resonable circuit and concise wiring, adopts vacuum tubes to soften the sound and filter out the digital feelings, sounds warm and sweet without noise. Also with treble and bass knobs to adjust one's own preferable sound styles, presents HiFi music with rousing highs and deep lows.

Strong output power and special AUX output: use TI's classic power amp IC, each channel can output 100W(4Ω) and easily to drive all 3-8Ω passive speakers, adds 3.5mm AUX output easy to connect another amplifier or active speaker / subwoofer to build multiple channel system and enjoy wonderful home theater experience.

[Upgrade!!! Newest version optimize the Bluetooth range and stability as well as sound quality] Using classic TDA7498E chip, max output power can reach 160W + 160W, equipped with high-quality 32V/5A power supply enough to drive above 300W passive speakers. It has a good match with outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers.

M1 PRO supports stereo RCA and Bluetooth 5.0 input, compatible with phones, computers, TVs, MP3 players, TV, Echo Dot, CD players etc. It is also a digital music player with U-disk input supporting MP3, WAV, APE, FLAC and WMA lossless formats.

Can build 2.1-CH audio system with its low frequency output for active subwoofer. The bass effects can be strongly enhanced. The sound is more delicate with treble and bass control, the shocking auditory effects make you feel like in the cinema.

T4 PRO tube preamp meets more HiFi needs: MM phono input, converts phono signal to line level signal, with low-noise integrated circuits and high-quality components to ensure clear and clean sound. 3.5mm AUX input, amplify the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifier or active speaker and greatly improve the sound quality.

Imported JAN5654 tubes and vintage warm sound: default comes with JAN5654 tubes, improves everything associated with your music such as detail, transparency, immediacy, richness, dynamic, tone etc., much better than 6J1 series especially in human voice. Pluggable tube socket for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's preference.

3.5mm headphone output and perfect circuit design: T4PRO also with built-in classic headphone amp circuit(2*NE5532), easily to drive 32-300 ohm headphones. Reasonable and advanced architecture, TI TPA5430 for power management, TL071+JRC2068 phono preamp circuit etc., enjoy HiFi analog sound and first-class design with an unbeatable low cost.

As a VU meter, with dual 60*35mm large meter, can dynamically decorate audio environment and provide incomparably visual effects when switching audio signals.

As an audio switcher, easily to switch between two amplifiers and 2 pair of speakers, no need to plug in and out cables repeatedly to avoid wearing the contact point of the sockets.

Powerful design and strong compatibility: all channels adopt fully isolation design, each channel's GND is independent without mutual interference. Supports all kinds of amplifier such as BTL / class A / class B / class D digital amplifier / tube amplifier etc.

NEW VERSION!!! Supporting multiple inputs (RCA/AUX/USB/Bluetooth) and outputs (speaker/headphone), can as USB sound card supporting computers (no need for driver) and phones (with OTG function) input, almost can meet all kinds of home audio system device.

Upgraded Bluetooth to 5.0, achieve faster transmission speed, more stable signal and lower consumption, perfectly compatible with various Bluetooth devices.

With best HiFi sound among similar amplifiers in the market, thousands of times tuning taking lots of time to bring excellent listening experience. The sound is clear and clean without any audible noise even at the highest output 50W*2.

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

Mutiple input/output interfaces: with 3.5mm AUX/stereo RCA/5-DIN inputs and stereo RCA/5-DIN outputs, can be compatible with most low-volume audio sources such as ipod, ipad, phone, TV, MP3 player, potable CD player, computer, video game etc., and boost their output to the level needed to drive amplifier or speakers.

With built-in amplification and voltage boost circuit: adjustable gain to match better with different audio sources, support DC 5-24V wide input voltage that can share the power supply of amplifiers, while L1 can always work at a high voltage of 26V to provide ±12.5V high output amplitude and max 20dB high gain.

Unique design and HiFi clear sound: double-side PCB design, NE5532P op amp with pluggable socket design, convenient to change other op amps to enjoy different sound and bring much DIY fun for audiophiles. High-qaulity sealed potentiometer, with wide frequency bandwidth and excellent dynamic response, the sound is smooth and natural, warm and delicate with ultra-low distortion.

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.

Stronger output power and RCA output added: use TI's classic power amp IC 3255, each channel can output 300W(4Ω) and easily to drive all 4-8Ω passive speakers; stereo RCA output is added, easy to connect another amplifier or active speaker / subwoofer to build multiple channel system and enjoy wonderful home theater experience.

Separate control for left and right channels: two volume knobs are designed for adjusting the left and right channel output indepedently, compensate for the left and right channel of all outputs and prevent the sound field positioning from deviating from the center position. Also with sensitivity knob of VU meter, easy to adjust and match better with different input signals.

Balanced power amp with VU meter: H7 amplifier integrated with VU meter, not only reproduces high-quality audio with excellent separation, resolution, sound field and clean background, but also dynamically decorates the listening space with strong vintage feelings when its pointer dances in the warm light.

T6 tube amp / preamp / headphone amp: besides speaker output, adds 3.5mm headphone jack outputs to drive headphones, and 3.5mm AUX output to connect another amplifier or active speaker / subwoofer to build multiple channel system. Using Infineon 12070 classic IC, each channel can output 80W(4Ω), easily to drive all 3-8Ω passive speakers.

Dual audio inputs and higher compatibility: with wireless Bluetooth 5.1 and wired standard stereo RCA inputs, QCC5125 Bluetooth chip supports APTX-LL/APTX-HD/LDAC fast and lossless transmission, compatible with most audio device such as MP3, phone, computer, tablet, TV, CD player etc.

HiFi tube sound with tone control: advanced circuit and reasonable wiring, adopts imported JAN5725 tubes to soften the sound and filter out the digital feelings, make it warm and sweet, full and mellow. Also with treble and bass knobs to adjust one's own preferable sound styles.