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Home Professional AudioAudio ProcessorClassical Audio Processor 4×8 Analog Professional Audio Processor D6648

118dB ; ≤0.005% (+4dBu 1kHz)

4×8 Analog Professional Audio Processor

D6648
  • 24-bit/48kHz sampling frequency, high-performance AD/DA converters, and a 40-bit floating-point DSP processor.
  • High-precision input sensitivity adjustment with 14 levels, 3dB steps, and a maximum input gain of 42dB.
  • Full-featured matrix mixing function, delivering exceptional clarity with comprehensive processing including EQ, GATE, COMP, LIMIT, and AGC.
  • GPIO supports 8-channel scene switching for quick operation, with RS232 and RS485 central control commands.
  • 60 scene presets with a user-friendly interface, supporting fast switching between Chinese and English.
  • TCP/IP control protocol for PC connection, enabling web-based quick control and parameter adjustment.
Overview Specifications Related Products Solutions Latest News & Cases

This series of devices supports 4×8 analog channels with a high-quality 14-stage preamplifier circuit and a DSP processing bus architecture to deliver high-fidelity sound reproduction. It is widely applicable to large venues such as theaters, concert halls, remote video conferencing rooms, stadiums, churches, conference centers, and theme parks, meeting diverse sound reinforcement requirements. The device is designed for straightforward operation and features intelligent control functions.


Specifications of 4×8 Analog Professional Audio Processor D6648


Model

D6648

Input/Output

4×8

Input/Output Type

Analog

Signal Processor

40-bit floating-point DSP 400MHz

Bit Depth

24-bit

Sampling Frequency

48kHz

Input Impedance

＜10KΩ

Output Impedance

200Ω

A/D Dynamic Range

118dB

D/A Dynamic Range

118dB

Max Input Level

+18dBu

Max Output Level

+18dBu

Transmission Delay

4.1ms

Output Channel Delay

0ms～1500ms (Step:0.02ms)

THD+N

≤0.005% (+4dBu 1kHz)

Frequency Response

20Hz～20kHz ±0.3dB

CMRR

≥55dB

Crosstalk

≤-100dB

SNR

≥111dB (20–20KHz)

Dynamic Range

≥111dB (20–20KHz)

Noise Floor

≤-93dBu (20–20KHz)

Connection Type

TCP/IP, RS232, RS485

Preset

60

Size

482×253×44mm

Net/Gross Weight

3.3kg / 3.8kg

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16×16 Analog Professional Audio Processor

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8×8 Analog Professional Audio Processor

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4×8 Analog Professional Audio Processor

D6648

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Latest News & Case Studies

Get ready to provide the latest news about DSPPA and the related information about the audio and video industry for you.

NEWS

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Abstract: AUXDIO, the entertainment audio brand under DSPPA Group, has officially launched its new website, providing customers and partners worldwide with an enhanced digital platform to explore its products, solutions, and brand updates.

August 19, 2026
NEWS

DSPPA | 38 Years of Excellence, A Legacy of Dedication

Abstract: Cheers to 38 Years of Excellence, DSPPA!

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DSPPA | Digital Audio Matrix for Parking Lot, Sea Breeze Resort, Azerbaijan

DSPPA expertly completed the implementation of a cutting-edge audio matrix system for the parking area of Azerbaijan's renowned Sea Breeze Resort, ensuring high-quality sound performance tailored to the venue's needs.

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DSPPA | Professional Sound System for Vision for Africa High School, Uganda

DSPPA Professional Sound System has been successfully installed in the auditorium of Vision for Africa High School in Uganda, greatly enhancing audio quality for school events and offering a great auditory experience to its students and staff.

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