2 Channel IC Class A/B Compact Size Amplifier

NSTE-2045-BT is a high-performance, two-channel, full-band Class D power amplifier with built-in Bluetooth reception, designed specifically for motorcycles, electric vehicles, UTVs, ATVs, and various small outdoor audio systems. This product integrates wireless connectivity, high-efficiency amplification, a compact size, and a waterproof structure, providing users with a more convenient and reliable audio experience. Operating at 14.4V, it supports a stable 4-ohm load, delivering 45W RMS output power per channel with less than 1% total harmonic distortion, providing clear and stable sound quality for everyday listening. Its frequency response range covers 20Hz to 20kHz, fully reproducing high and low frequency details and adapting to a variety of musical styles. It utilizes TE waterproof connectors and has IPX4 to IPX5 ratings, effectively protecting the system from external factors such as rain, dust, and vibration, making it particularly suitable for stable operation in outdoor or humid environments.

NSM-2020 is a miniature, two-channel Class D car amplifier measuring just 110mm (length) x 92mm (width) x 45mm (height). This significantly reduces installation space and is ideal for installation in confined areas such as under the dashboard, next to seats, or other discreet locations, while still delivering excellent performance. Its wide frequency response, covering 20Hz to 20kHz, faithfully reproduces rich details from bass to treble, satisfying the needs of a wide range of musical styles. The amplifier supports high- and low-level input switching for robust compatibility, making it easily compatible with both original audio sources and external devices. A signal-sensing function enables automatic power-on, and a built-in 12V remote output facilitates control and integration with other devices.

NSM-2120 2-Channel mini-size class D amplifier is a high-performance, miniature, two-channel Class D car amplifier. It offers stable operation with a 2-ohm load and excellent system adaptability, meeting the needs of even the most complex audio systems. It supports high-level and low-level input switching, compatible with a variety of original vehicle or external audio sources, and offers flexible and convenient installation. Built-in adjustable high-pass filters (HPF) and low-pass filters (LPF) allow users to freely adjust the frequency response based on speaker characteristics and audio layout, achieving precise crossover and optimizing overall sound performance. Independent gain control for both front and rear channels allows users to fine-tune the volume of each channel to create a balanced, harmonious sound field. A 12V remote output facilitates linkage control with other audio equipment, expanding system functionality. Multiple protection mechanisms, including short-circuit, overheating, and overload protection, ensure the safety and stability of the amplifier and vehicle circuitry, enhancing durability.

NSTE-2120 2-Channel full-range class D power amplifier is designed specifically for in-car audio systems, motorcycle audio systems, and outdoor mobile audio environments. Combining outstanding power performance, robust protection, and installation flexibility, it's an ideal choice for users demanding both high-quality sound and adaptability to harsh environments. Its compact design allows for easy installation in tight spaces, making it particularly suitable for space-sensitive applications such as motorcycles, ATVs, and electric vehicles. The exterior utilizes a TE waterproof connector, and the overall system achieves an IPX4 to IPX5 rating, offering excellent water and dust resistance and stable operation in rainy, humid, or dusty environments. While the crossover also features a fixed configuration, its preset parameters meet the driving requirements of mainstream speakers, ensuring a frequency response range of 20Hz to 20kHz, achieving full-band sound reproduction and delivering exceptional performance from deep bass to crisp high frequencies.

NSXP-2120 is a high-performance, two-channel Class D car amplifier designed for in-car audio systems that demand clear sound quality and space-saving features. This two-channel Class D amplifier delivers 2 x 70W RMS power into a 4-ohm load and 2 x 120W RMS into a 2-ohm load, with total harmonic distortion (THD) kept to less than 1%, ensuring pure, dynamic sound. It's ideal for driving mid-range and high-frequency speakers, delivering a more three-dimensional and natural musical performance. It can be conveniently installed concealed under a car seat or in the trunk, minimizing space and providing greater installation flexibility for limited interior space. It supports both RCA low-level and high-level inputs, and an input level selector switch allows for easy integration with both original and modified head units, further enhancing compatibility.

NSTE-2045 is a highly efficient, compact, two-channel Class D power amplifier designed for audio systems such as motorcycles, electric vehicles, UTVs, and ATVs, which have strict requirements on size while requiring both weather resistance and sound quality. The output power per channel is 45W RMS (4 ohm load, 14.4V power supply), and the total harmonic distortion is controlled within 1%, ensuring clear and full sound quality, meeting the needs of daily entertainment playback and commuting. Its operating frequency range covers 20Hz to 20KHz, fully restoring the full-band sound effects, with excellent performance from low-frequency shock to high-frequency details. In terms of safety protection, the NSTE-2045 is equipped with overheating, overload, and short-circuit protection mechanisms, which can automatically cut off the power in the event of electrical anomalies or excessively high ambient temperatures, effectively avoiding equipment damage and extending the product life.