Amplifier Hertz SP 4.900

Amplifier Hertz SP 4.900

The 4-channel Hertz SP 4.900 amplifier is equipped with the Hertz ADC (Advanced D-Class) output stage, achieving up to 87% efficiency. A maximum RMS power of 4 x 250 W is available at 2 Ω. As an ultra-compact amplifier (211.6 x 130 x 49 mm) with impressive power, the SP 4.900 is an ideal choice for motorcycle mounting, under-seat installation in sports cars, and behind-seat installation in trucks.

Main Features

• Up to 87% efficiency thanks to the ADC (Advanced D-Class) output stage.
• USS (Universal Speakers Simulators) allows the SP 4.900 to work with head units equipped with "speaker load detection" circuitry.
• 160 W RMS x 4 (4 Ω) with ultra-compact size: 211.6 x 130 x 49 mm.
• Aluminum chassis IP55 for maximum protection against moisture and external influences.
• No cooling fan to prevent internal dirt accumulation.
• Sealed power cable, line inputs, and speaker outputs to prevent oxidation.
• Cross-filters and controls on one side for easy calibration during product installation.
• Balanced, fully differential inputs with high noise suppression.
• ART (Automatic Remote Turn-On/Off) automatically turns the amplifier on/off when the OEM head unit is turned on/off (can be enabled/disabled).

About the Brand

The most renowned European brand in the car hi-fi segment? Hertz audio! Founded in 1998 in Italy, Hertz is part of Elettromedia, which owns Hertz, Audison, and Connection. How did the name Hertz come about? Hertz - the unit of frequency, the number of cycles per second (Hz). Everything in Hertz car audio reflects their passion for music and their commitment to quality production. Over the years, the company has built an excellent team of talented and passionate engineers dedicated to designing top-tier products. Every new project and product is developed primarily based on the needs of the brand's fans, connecting them directly to the emotional power of music. Hertz's philosophy is a unique combination of premium sound, vibrant tradition, sophisticated innovation, and high quality, all embodied in a complete range of products for maximum customer satisfaction. Hertz offers a comprehensive range of speakers, amplifiers, and subwoofers, allowing you to experience the thrill of high-quality sound in any situation. Deep knowledge of car interior acoustics, design requirements, and manufacturing processes keeps Hertz products at a high level. To achieve Hertz's high quality standards, the company does not settle for sample testing from each batch: it uses the most advanced testing tools and a computer-controlled process monitored by highly qualified personnel to analyze every component. This results in an extremely low percentage of complaints and high quality for all Hertz products.

Catalog number	SP 4.900
Brand	Hertz
Links	Official web presentation