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DD Audio SS4,500 4-Channel Amplifier
SKU:  SS4.500
125 Watt

SS4,500

SKU:  SS4.500

Technical Highlights

  • Power: 75W x 4 @4ohm, 125W x 4 @2Ohm, Impedance: 2-4Ohm.
  • Frequency response: 20-20k Hz, damping factor: over 100, S/N: over 95dB.
  • RCA input: 6-0.25V, high level: 20-1.1V, current consumption: 40A.
  • More technical details
€199,00
€199,00 €199,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Delivery
Jun 9, - Jun 14,
x piece
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€199,00 €199,00

SS4,500 by DD Audio

The SS4.500 is a 4-Channel Amplifier from DD Audio with high-level inputs and a heavy DD aluminum housing. Integrated are 25 mm² power connections. The operating voltage is between 9 - 16 V. The RMS power is 75 watts x 4 at 4 ohms and 125 watts x 4 at 2 ohms. The maximum current draw is 40 A. The sensitivity of the RCA input voltage is 6 - 0.25 V, while the sensitivity of the high-level input voltage is 20 - 1.1 V, and the RCA input S/N is > 95 dB. The damping factor is > 100 and the distortion factor is < 0.1%. The frequency response is 20 - 20000 Hz. High-pass and low-pass filters are specified at 35 - 250 each. The speaker output is specified at 4 mm², and the dimensions are 146 x 115 x 50 mm.

Features
  • 4-Channel Amplifier
  • High-level inputs
  • Heavy DD aluminum housing
  • 25 mm² power connections
Technical Specifications
  • Operating voltage: 9 - 16 V
  • RMS power @ 4 ohms: 75 watts x 4
  • RMS power @ 2 ohms: 125 watts x 4
  • Maximum current draw: 40 A
  • Sensitivity of RCA input voltage: 6 - 0.25 V
  • Sensitivity of high-level input voltage: 20 - 1.1 V
  • RCA input S/N: > 95 dB
  • Damping factor: > 100
  • Distortion factor: < 0.1%
  • Frequency response: 20 - 20000 Hz
  • High-pass filter: 35 - 250
  • Low-pass filter: 35 - 250
  • Power cable gauge: 25 mm²
  • Speaker output: 4 mm²
  • Dimensions: 146 x 115 x 50 mm

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DD Audio SS4,500 Datasheet

Open datasheet

Frequently Asked Questions about SS4,500

What power specifications does the DD Audio SS4.500 Amplifier offer?

The DD Audio SS4.500 Amplifier provides an RMS power of 75 Watts per channel at 4 Ohms and 125 Watts per channel at 2 Ohms. With a maximum current draw of 40 Amperes and an operating voltage between 9 and 16 Volts, it delivers reliable performance. The damping factor is over 100, ensuring precise control of speaker movements. The total harmonic distortion of less than 0.1% guarantees minimal distortion for clear sound. These specifications together show that the SS4.500 is a powerful and efficient amplifier in its class.

How does the DD aluminum housing affect the performance of the SS4.500?

The heavy DD aluminum housing of the SS4.500 serves not only aesthetic purposes but also improves heat dissipation. Aluminum is known for its excellent thermal properties, allowing for efficient heat dissipation. This minimizes thermal failures and contributes to the longevity of the amplifier. A well-cooled amplifier operates more stably and consistently delivers high-quality audio output, which is particularly beneficial during intense use and high power demands. The robust construction also protects the sensitive electronic components inside.

What input options does the 4-Channel Amplifier SS4.500 have?

The SS4.500 from DD Audio is versatile with its high-level and RCA inputs. The sensitive RCA input voltage ranges from 6 to 0.25 Volts, while the high-level input voltage ranges from 20 to 1.1 Volts. This allows connection to various audio sources, such as car radios without dedicated preamp outputs. High-level inputs are especially useful when no preamp outputs are available. The flexibility in connection options allows music lovers to easily integrate the SS4.500 into various audio systems without compromising sound quality.

How are the filter options configurable for the SS4.500?

The SS4.500 features both high-pass and low-pass filters, each adjustable in the range of 35 to 250 Hz. These filter options allow you to precisely control the frequency response of the speakers. The high-pass filter prevents low frequencies from being reproduced by midrange or tweeters, while the low-pass filter keeps high frequencies from reaching a Subwoofer. Using these filters allows for optimized sound output and helps minimize distortion while maximizing the overall sound performance of the system.

What is the signal-to-noise ratio (S/N) of the SS4.500?

The signal-to-noise ratio (S/N) of the SS4.500 is over 95 dB. A high signal-to-noise ratio is crucial for sound quality, as it describes the proportion of the useful signal compared to the background noise of the system. With a value of over 95 dB, the SS4.500 offers remarkable clarity, which is especially important during quiet music passages. This technical characteristic means that even at medium and high volumes, you perceive very little noise, contributing to an uncolored listening experience.

How important is the power connection size of the SS4.500?

The SS4.500 features 25mm² power connections that ensure a robust power supply. Large connection cross-sections are important to meet the amplifier's power requirements, especially under maximum load, without limitations. They minimize voltage drop along the cables, leading to more efficient power output. Especially for powerful amplifiers like the SS4.500, an optimal power supply is essential to fully utilize the high power capacity. The reliable power supply through these connections significantly improves the overall stability and longevity of the amplifier.

How compatible is the SS4.500 with different vehicle models?

The SS4.500 from DD Audio is versatile due to its dimensions of 146 x 115 x 50 mm and fits into various installation locations in the vehicle. Especially for custom installations in cars, the compact size is a significant advantage. It is important to measure the installation positions in the vehicle beforehand to ensure that the amplifier can be mounted without obstacles. Due to its universal dimensions, it can be easily integrated into sedans, SUVs, and smaller compact cars, as long as the installation location provides sufficient space.

What role does the sensitivity of the inputs play in the SS4.500?

The sensitivity of the RCA and high-level inputs of the SS4.500 is adjustable and ranges from 6 to 0.25 volts for RCA and from 20 to 1.1 volts for high-level. This flexibility allows the amplifier to be precisely adapted to different signal sources, achieving optimal volume and dynamics. Correctly setting the input sensitivity ensures that the amplifier is neither overdriven nor underutilized. This is crucial for extracting the best possible audio quality from any type of audio system, especially when using various device sources.

What defines the channel separation in the SS4.500 amplifier?

A 4-Channel Amplifier like the SS4.500 separates the audio output into four distinct channels, allowing for a more extensive sound distribution in the vehicle. Each channel can be individually controlled, increasing the possibilities for fine-tuning and adjusting the sound. Whether in stereo or multi-channel configuration, the SS4.500 offers you the flexibility to operate different speakers or groups of speakers independently. This enables you to personalize your sound expression and create an immersive audio experience in your vehicle without compromising audio quality.

How do the speaker outputs affect the sound quality of the SS4.500?

The 4mm² speaker outputs of the SS4.500 ensure that the connection between the amplifier and the speakers is stable and reliable. Larger cable cross-sections minimize resistance, which in turn reduces audio quality loss and maximizes efficiency in transmitting amplifier power. These robust connections ensure that there are no signal losses even at higher volumes. The optimal delivery of audio power to the connected speakers ensures a consistently clear sound, regardless of volume, which is essential for an uninterrupted listening experience.

Manufacturer information / responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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