2 Channel Mini Size Class D Amplifier

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-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.

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.

NSAP-2300 2-channel class D amplifier delivers 300W RMS per channel into a 4-ohm load, increasing to 430W RMS into a 2-ohm load. This powerful driving capability ensures high-fidelity audio reproduction. Its compact design allows for greater installation flexibility, adapting to the spatial layouts of various vehicle models. Whether driving a pair of high-quality speakers or bridging mono output to power a subwoofer, the NSAP-2300 is highly adaptable to a wide range of scenarios. Precisely controlling the output frequency range ensures clear highs and powerful bass, adapting to various speaker types for professional system tuning. An input sensitivity range of 200mV to 6V ensures compatibility with a wide range of original and modified head units. A built-in signal sensing function automatically detects the input signal and activates the amplifier, enhancing user convenience. For added safety, the NSAP-2300 is equipped with short-circuit, overheating, and overload protection circuits, ensuring stable operation in a variety of challenging environments.

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.

NSM-4020 4-channel mini-size class D amplifier delivers 20W RMS power per channel into a 4-ohm load. Leveraging efficient Class D amplification technology, the NSM-4020 not only delivers stable power performance but also effectively reduces energy consumption and heat generation, extending device life and reliability. It supports high-level and low-level input switching, offering excellent compatibility, making it easy to connect to both the original vehicle audio system and external audio sources. Equipped with adjustable high-pass filters (HPF) and low-pass filters (LPF), users can freely adjust the audio frequency range to suit different speaker types and listening preferences, achieving precise crossover and sound optimization, enhancing overall audio performance. A wide input sensitivity range (200mV to 9V) facilitates matching with various signal sources to meet the needs of different vehicle audio systems. A signal-sensing auto-start function ensures hands-free power-up, enhancing user convenience.