The DLS Performance Advantage PA4.6D is a high-quality 6-channel DSP that offers complete control over the sound and the option to choose an amplifier. It focuses on accuracy, seamless integration, and a sound that feels cohesive and natural in everyday life. The PA4.6D acts as the hub of the system between the car stereo and external amplifiers, designed to correct both the speakers and the car's acoustics without altering the fundamental character of the music.

• 6-channel DSP
• Cirrus Logic DSP, 24 bit / 192 kHz
• High-level input with Smart Load
• 31-band EQ per channel
• Crossover filter up to 48 dB per octave
• Time delay up to 519 cm
• Optical input, RCA, and Bluetooth 5.1
• 10 presets, customizable via USB

The PA4.6D is ideal for systems where there is a desire to improve car audio or where external amplifiers are an obvious part of the sound setup. It provides the capability to tune the sound according to personal preferences and is especially suitable for systems that can be expanded over time. The DSP operates consistently and predictably, facilitating adjustments and refined enhancement of the result.

At the core of the system is the Cirrus Logic DSP with 24-bit, 192 kHz resolution. Each channel can be adjusted with a 31-band EQ, either graphic or parametric, offering high precision without loss of musicality. The crossover filters of up to 48 dB per octave enable clean transitions between highs, mids, and lows, even in more advanced system solutions.

The time delay, adjustable in very small steps, allows for proper positioning of the soundstage at the driver’s seat. When everything is aligned, the sound becomes more focused, with better clarity and a cleaner space.

The PA4.6D is designed to operate seamlessly with modern car systems. High-level inputs with Smart Load provide the correct load for original units, reducing the risk of errors and unstable operation. Automatic on/off switching allows the system to function like the original with significantly improved sound control.

With four inputs and six RCA outputs, it offers plenty of flexibility for refined audio builds. The PA4.6D performs equally well in a complete system or one that is programmed to grow gradually. Bluetooth 5.1 and optical input allow working with pure digital signals, while the USB connection to a PC provides full access to settings and storage of up to ten presets.

Specifications

• Type: 6-channel digital signal processor
• DSP: Cirrus Logic 24 bit, 192 kHz
• Available memory slots: 10
• Auto power on: Yes
• PC Connection: USB 2.0, Windows XP to Windows 11
• High-level inputs: 4 channels, Smart Load Circuitry
• Low-level inputs: 2 channels RCA
• Digital: Optical and Bluetooth 5.1
• DSP output: 6 channels RCA
• Voltage output: 2.5 V RMS
• Frequency range: 20 to 20,000 Hz
• Signal-to-noise ratio (A-weighted): > 100 dB
• Filter types: Bessel, Butterworth, Linkwitz Riley
• Filter slopes: 6 to 48 dB per octave
• EQ: 31 bands GEQ or PEQ per channel, –18 to +12 dB in 0.1 dB steps
• Time delay: 0 to 15 ms, steps of 0.021 ms, up to 519 cm