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  5. SPL Show SP 4.500
Hertz SPL Show SP 4.500 4-Channel Amplifier
SKU:  SP-4-500
EAN:  8018823139922

1 Review

300 Watt

SPL Show SP 4.500

SKU:  SP-4-500
EAN:  8018823139922

1 Review

Technical Highlights

  • Delivers 600 W total power, ideal 90 W x 4 (4Ω) RMS per channel.
    Minimal load impedance, flexible: 2Ω on all, 4Ω, two channels.
    Efficiency up to 85%, advanced Class D output stage, RMS.
  • More technical details
€349,00
€349,00 €349,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Delivery
Jun 6, - Jun 9,
x piece
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SPL Show SP 4.500 by Hertz

The SPL Show SP 4.500 from Hertz is a 4-Channel Amplifier with the Hertz ADC output stage and an efficiency of up to 85 percent. The ultra-compact dimensions are 192.7 mm x 130 mm x 49 mm with a weight of 2.15 kg. The device features an IP55 protection rating and a signal-to-noise ratio of 100 dBA. The rated power is 90 W x 4 at 4 Ohms or up to 300 W x 2 in bridge mode. Adjustable crossovers and a customizable frequency range of 10 Hz to 35 kHz are integrated. The power supply operates in the range of 11 to 15 VDC.

Features
  • 4-Channel Amplifier
  • Hertz ADC (Advanced D-Class) technology
  • IP55 protection rating
  • Adjustable crossovers
  • Dimensions: 192.7 mm x 130 mm x 49 mm
  • Weight: 2.15 kg
  • Power: 90 W x 4 (4 Ohm) RMS
  • Power: 150 W x 4 (2 Ohm) RMS
  • Power: 300 W x 2 (4 Ohm) RMS bridge operation
  • Total power: 600 W
Technical Specifications
  • Rated supply voltage: 11 - 15 VDC
  • Pulse operating voltage: 6 - 16 VDC
  • Quiescent current: 0.9 A
  • Quiescent current in off state: 0.03 mA
  • Consumption at 14.4 VDC: 50 A
  • Distortion (THD) at 1 kHz, 4 Ohm: 0.02 percent
  • Damping factor at 1 kHz, 4 Ohm: over 150
  • Bandwidth at -3 dB: 10 Hz - 35 kHz
  • Signal-to-noise ratio: 100 dBA
  • Preamp sensitivity: 0.6 - 6 VRMS
  • Speaker sensitivity: 2.2 - 22 VRMS
  • High-pass filter: 50 - 5000 Hz at 12 dB/Oct.
  • Low-pass filter: 50 - 5000 Hz at 12 dB/Oct.
  • Bass boost at 45 Hz: 0 - 8 dB
  • Minimum load impedance 4 channels: 2 Ohm
  • Operating temperature range: 0 degrees Celsius to 55 degrees Celsius

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Frequently Asked Questions about SPL Show SP 4.500

What is the rated power of the SPL Show SP 4.500 Amplifier?

The SPL Show SP 4.500 Amplifier offers several power modes: At a load of 4 Ω, it delivers 90 W per channel across 4 channels or 300 W in bridge mode with 2 channels. At 2 Ω, it provides 150 W per channel. This allows for a significant power increase, depending on the connected load. The power measurements are based on a voltage of 14.4 VDC and result in a total power of 600 W when combined with other power parameters. The high efficiency of 85% also makes this amplifier extremely energy-saving and sustainable.

What features does the ADC output stage of the amplifier offer?

The SPL Show SP 4.500 from Hertz is equipped with the advanced ADC output stage (Advanced D-Class). This technology is used to achieve an efficiency of up to 85%, significantly enhancing the amplifier's efficiency. This means less energy is converted into heat, reducing the load on the vehicle's electrical system and ensuring consistent performance. The high efficiency is particularly practical in motorcycle applications and sports cars, where space and ventilation are often limited, and it optimally supports the compact design.

How compact is the SPL Show SP 4.500 Amplifier and in which vehicles can it be used?

With its dimensions of 192.7 x 130 x 49 mm, the SPL Show SP 4.500 is extremely compact, supporting its use in tight spaces. It is ideal for motorcycles, where space is often limited, as well as for under-seat installation in sports cars or for mounting behind the seats of trucks. Its lightweight of 2.15 kg further facilitates installation. This feature allows you to enjoy the power of a high-performance amplifier without compromising on space or load capacity.

What filter and crossover options does the amplifier offer?

The SPL Show SP 4.500 Amplifier from Hertz offers extensive options for sound optimization through its integrated crossovers: Both for channels 1-2 and channels 3-4, there is a high-pass filter and a low-pass filter, both adjustable from 50 Hz to 5 kHz at 12 dB per octave. Additionally, for channels 3-4, a bass boost at 45 Hz with a gain range of 0 to 8 dB is adjustable. With these filters, specific sound settings can be tailored to the speakers to ensure an optimal listening experience.

How is the SPL Show SP 4.500 Amplifier activated and what inputs does it offer?

The Hertz SPL Show SP 4.500 can be activated in two ways: via the remote input with 6 to 15 VDC and 9 mA or through the DC-REM remote activation using the SPK DC signal from the BTL speakers with 3.5 to 7 VDC. The inputs include Pre IN and Speaker IN, providing flexibility for different installation layouts. This versatility in activation and input options means that various installation requirements can be met to support both conventional and specialized build scenarios.

What protection class and operating temperature does the SPL Show SP 4.500 offer?

The SPL Show SP 4.500 from Hertz is rated with an IP55 protection class, making it resistant to dust and water jets from any angle. This is particularly useful in mobile applications where the amplifier may be located in exposure-prone areas. Additionally, the amplifier has an operating temperature range of 0 °C to 55 °C, making it suitable for use in a variety of environmental conditions. Such protective measures ensure that the amplifier operates reliably even under demanding conditions.

How is the performance and distortion of the amplifier handled at different loads?

The SPL Show SP 4.500 Amplifier is designed to provide consistently high sound quality with minimal distortion. At a load of 4 Ω and 70% of the rated power, the total harmonic distortion (THD) is only 0.02%. This low distortion ensures clear, uncolored sound even at high volumes. The damping factor of over 150 at 1 kHz and 4 Ω also helps improve control over the speaker membranes, resulting in a precise sound image and enhanced bass reproduction.

What supply voltages are required for the SPL Show SP 4.500?

The SPL Show SP 4.500 Amplifier from Hertz operates with a nominal supply voltage of 11 to 15 VDC, allowing use in most vehicle battery systems. However, in special scenarios, it can also handle pulse voltages from 6 to 16 VDC. This ensures that the amplifier remains stable even with voltage fluctuations in the vehicle. This is particularly important for operation in motorcycles and sports cars, where energy efficiency is crucial. This flexibility in voltage ensures that the amplifier operates reliably at all times.

What is the signal-to-noise ratio of the SPL Show SP 4.500?

The SPL Show SP 4.500 achieves a signal-to-noise ratio of 100 dBA, which is A-weighted at 1 V input. This high signal-to-noise ratio ensures that music playback is clear and free from disturbing background noise, even during quiet passages. Such a level is remarkable for an amplifier of this class and ensures that fine details in the music are preserved while also providing clean, powerful performance for an intense listening experience.

What sensitivities does the amplifier offer and how can this affect installation?

The SPL Show SP 4.500 Amplifier offers two different sensitivities: the preamplifier sensitivity is adjustable from 0.6 to 6 VRMS, while the speaker sensitivity varies between 2.2 and 22 VRMS. These adjustable sensitivities allow for fine-tuning of the input level to ensure that the amplifier works optimally with the connected components. Proper adjustment of the sensitivity is crucial to avoid distortion and ensure full sound quality, thereby ensuring a harmonious integration of the amplifier into existing audio systems.

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