DLS PA46D 6-channel DSP with Bluetooth

The DLS Performance Advantage PA4.6D is a great-sounding 6-channel DSP for those who want full control over their sound and the freedom to choose their own power amp. The focus is on precision, stable integration and a sound that feels cohesive and natural in everyday life. The PA4.6D acts as the system’s hub between the car stereo and external power amps and is built to correct both speakers and the car’s acoustics without changing the basic character of the music. The result is a calmer, more balanced sound that is easy to live with over time.

• 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 compensation up to 519 cm
• Optical input, RCA and Bluetooth 5.1
• 10 presets, USB configuration

When you want to really control the sound

PA4.6D is built for systems where you want to improve the sound in the car or where external power amplifiers are an obvious part of the sound build. It gives the opportunity to adjust the sound exactly to your own wishes and is particularly suitable for systems that can be expanded over time. The DSP works consistently and predictably, which makes the adjustments easy to understand and the result easy to fine-tune.

DSP that shapes the whole, not the character

At the heart 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, providing high precision without losing musicality. Crossover filters up to 48 dB per octave make it possible to create clean transitions between treble, midrange and bass, even in more advanced system solutions.

The time compensation, adjustable in very small steps, allows the sound image to be positioned correctly at the driver’s seat. When everything falls into place, the sound is perceived as more concentrated, with better focus and clearer space.

Stable integration into modern cars

The PA4.6D is designed to work seamlessly with modern car systems. The high-level inputs with Smart Load present the correct load to original head units that monitor impedance, reducing the risk of error codes and unstable operation. Automatic power on and off allows the system to behave like the original, but with significantly better control over the sound.

An open system that can grow

With four inputs and six RCA outputs, there is plenty of flexibility for thoughtful sound builds. The PA4.6D works just as well in a finished system as in one that is to be developed step by step. Bluetooth 5.1 and optical input allow you to work 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
• Memory slots: 10
• Auto turn on: Yes
• PC connection: USB 2.0, Windows XP to Windows 11
• High-level in: 4 channels, Smart Load Circuitry
• Low-level in: 2 channels RCA
• Digital: Optical and Bluetooth 5.1
• DSP output: 6 channels RCA
• Output voltage: 2.5 V RMS
• Frequency range: 20 to 20,000 Hz
• Signal to noise (A-weighted): > 100 dB
• Filter types: Bessel, Butterworth, Linkwitz Riley
• Filter curves: 6 to 48 dB per octave
• EQ: 31 bands GEQ or PEQ per channel, –18 to +12 dB in 0.1 dB steps
• Time compensation: 0 to 15 ms, 0.021 ms steps, up to 519 cm