Amplifier Hertz SP 4.500

Amplifier Hertz SP 4.500

The 4-channel Hertz SP 4.500 amplifier features the Hertz ADC (Advanced D-Class) output stage, achieving up to 87% efficiency. A maximum RMS power of 4 x 150 W is available at 2 Ω. As an ultra-compact amplifier (192.7 x 130 x 49 mm) with impressive power, the SP 4.500 is an ideal choice for mounting on motorcycles, under seats in sports cars, and installations behind seats in trucks.

Main Features

• Up to 87% efficiency thanks to the ADC (Advanced D-Class) output stage.
• USS (Universal Speakers Simulators) allows SP 4.500 to work with head units equipped with "speaker load detection" circuitry.
• 90 W RMS x 4 (4 Ω) with ultra-compact size: 192.7 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! Established in 1998 in Italy, Hertz is part of Elettromedia, which owns Hertz, Audison, and Connection. The name Hertz originates from the unit of frequency, cycles per second (Hz). Everything in Hertz car audio reflects the brand's passion for music, with a focus on everything they produce. Over the years, the company has built an excellent team of talented and dedicated engineers committed to designing products at the highest level. Each new project and product is primarily driven by the needs of the brand's enthusiasts and developed to directly connect them with the emotional power of music. Hertz's philosophy is a unique combination of premium sound, vibrant tradition, clever innovation, and high quality, all combined in a complete range of products for maximum customer satisfaction. Hertz offers a complete product 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 testing samples from each batch: it uses the most advanced testing tools to analyze each component through a computer-controlled process overseen by highly qualified staff. This results in a negligible rate of complaints and a high quality of all Hertz products.

Catalog number	SP 4.500
Brand	Hertz
Links	Official web presentation