Electronics

Customizable Sound with a Wide Range of Bass and Treble Controls: The BT20A Pro home audio amplifier offers a unique design for sound control. Enjoy original sound without effects by setting treble and bass effects to the middle point.
Upgraded High-Efficiency: A significant upgrade from the BT20A amplifier with replaceable Op-Amps for customized. You can replace the two plug-in NE5532 Op-Amps with LME49720HA/MUSES02/OPA2604AP/OPA2134PA/LM4562/NJM4556AD Op-Amps to achieve a unique sound quality. With SNR≥108dB and THD≤0.005%.
Enhanced Bluetooth 5.0 Connectivity: The Bluetooth pair can be cleared by pressing and holding the volume control for five seconds. In addition, it has a memory Function for Easy Pairing and Alert Tone.

ENTRY-LEVEL POWER AMPLIFIER: Experience powerful sound with the BT20A Bluetooth amplifier, boasting an impressive 100Wx2 maximum output power. It can power multiple speaker cabinets, which can be used at home or in small venues
EFFECTIVE, SIMPLE, AND NO FRILLS: The compact design allows it to be used in any space where passive speakers are required. It can be used in an office, a bedroom, a living room, a garage, or even on the patio
EASY TO SET UP: The 2 Channel amplifier has a straightforward installation and a one-touch power switch for easy operation. The smooth bass and treble controls allow tuning to taste and the connected bookshelf speakers

The V3 amplifiers are equipped with replaceable orange knob. Customization of the amplifier’s appearance, making it easier for users to tailor their setup to their individual preferences
To replace the knobs, Just need a cloth with friction, simply grasp the existing knob firmly and pull it straight off the shaft. Then, align the new knob onto the shaft and press it firmly in place. Make sure that the new knob is securely attached before use
Tips: The V3 orange knob only fits the V3 and is not suitable for installation in other amplifiers

TB10A is a highly efficient, fully integrated, digital audio power amplifier based on NEW class D amplifier technology. It supports a 12-24V supply voltage range, allowing it to be used in many different home audio applications
TB10A 2.0CH home audio amplifier adopts 2 pcs Texas Instruments TPA3116D2 chip. The TPA3116D2 are stereo efficient and digital amplifier power stage for driving speakers, with advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences. High-performance effectively improve output power and audio quality
Ultra-compact and high power output in a small aluminum enclosure. MAX Power Output up to 100W X 2(4 ohms, 20 Hz – 20 kHz, 0.04% THD). TB10A can drive 200watts(8 ohm), 300watts(4 ohm) passive speakers

Fosi Audio V1.0B mini stereo amplifier includes highly efficient, fully integrated, digital, class D audio amplifier ICs based on NEW amplifier technology, supporting a supply voltage range from 12 V to 24 V, allowing it to be used across home and professional audio applications
V1.0B 2-channel class D amplifier adopts 2PCS Texas Instruments TPA3116D2 chip. The TPA3116D2 are stereo efficient and digital amplifier power stage for driving speakers, with advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences. High-performance effectively improve output power and audio quality
Advanced circuitry design, built-in speakers protection circuit, solid aluminum chassis, the home Hi-Fi integrated amplifier create clear and clarity sound, no audible noise, dead silent when nothing is playing through it

Dual-Mode Innovation: This new generation mini amplifier offers both stereo and mono modes, adapts flexibly to your diverse needs, allowing seamless mode switching. In stereo mode, it delivers a robust output of up to 180W, while in mono mode, the power soars to a maximum of 235W. Pair two ZA3 units in mono configuration to create a powerful audio system, significantly enhancing your listening experience
Richer Connectivity: Debut amplifier with balanced input and trigger in, the ZA3 features a balanced combo audio signal input connector supporting both XLR and 1/4″ TRS plugs. This design minimizes interference and reduces noise floor. The 12V trigger-in connector enables synchronization with other devices, streamlining the process of turning on/off without individual operations
Audiophile-Grade Components: The ZA3 features the TPA3255 high-end Class-D amp chip and utilizes premium Japanese NCC, ELNA, and German WIMA capacitors, and Japanese Sumida inductors for exceptional audio quality. With a SINAD rating of up to 89dB, an SNR of up to 106dB, and a low noise floor of only 150μV, it delivers exceptional clarity and low distortion