Papua New Guinea DSP306 Professional Audio Processor

DSP Series Professional Audio Processor

I. Features:

▼96KHz sampling frequency, 32-bit 400MHz DSP processor, 24-bit A/D and D/A conversion;

▼Supports USB, LAN, RS485, and Wi-Fi connections to computer;

▼RS485 interface supports third-party central control;

▼Multiple devices can be connected in series via the RS485 (Up to 32 Units);

▼Supports storage of up to 24 user presets;

▼Each input and output channel is equipped with 10-band PEQ (optional PEQ, Low Shelving 2nd, High Shelving 2nd, Low Pass 2nd, High Pass 2nd);

▼ Adjustable Slope for High/Low-Pass IIR Filters:

Butterworth options at 6dB, 12dB, 18dB, 24dB, 36dB, 48dB / octave;

Linkwitz-Riley options at 12dB, 24dB, 36dB, 48dB / octave;

Bessel options at 12dB, 18dB, 24dB, 36dB, 48dB / octave;

▼The parameters of the High/Low-pass Filter can be independently adjusted to achieve asymmetric frequency division function;.

▼Each channel features Gain, Delay (up to 1000ms), Phase, and Mute.  

   - Delay units: ms (milliseconds), m (meters), ft (feet).  

   - Adjustable 5 kinds of step sizes: ×0.001, ×0.01, ×0.1, ×1, ×10.;

▼RMS Compression – Adjustable from -24dB to +12dB (0.1dB steps) per output;

▼Noise Gate – Adjustable threshold (-120dB to -20dB) on input channels.

▼Built-in signal generator supporting pink noise, white noise, and sine wave outputs with adjustable signal level.;

▼ Support channel copy and joint debugging; Support modifying the name of each input/output channel.

II. Panel Introductions

Front Panel

1. Type-D USB Port

Used to connect PC connection, firmware update

2. Information Display Window

3. Function Keys

BACK: Previous function selection

NEXT: Next function selection

ENTER: Confirm the adjusted parameters

ESC: Return to default interface

BYPASS: ON/OFF compression mode. Press & hold during power-up: Enter engineering lock settings

SYSTEM: Enter/exit system setup menu.

4. Selector Encoder Wheel

Select the internal parameters for individual functions.

5. Parameter Coding Wheel

6. Input Mute/Edit Key

1) Short press: Toggle mute ON/OFF.

2) Long press: Enter input editing function interface.

7. Output Mute/Edit Key

1) Short press: Toggle mute ON/OFF

2) Long press: Enter output editing function interface.

Level indicator: Used to indicate dynamic display of signal level.

Rear Panel

1. Power Switch (Turn on to supply power and enable normal operation)

Note: A compatible power cable is included.  

2. RS485 Interface

For PC connection and central control interface.

3. LAN Port

Connects to external routers, enabling wired/wireless connection to PC.

4. Output Channels

8 balanced output channels (labeled CH1-CH8, corresponding to Channel 1 to Channel 8), Each equipped features a 3-pin XLR female connector with balanced configuration:

• Pin 2: Hot

• Pin 3: Cold

• Pin 1: Ground (shield)

5. Input Channels

4 balanced input channels (labeled CHA-CHD, corresponding to Channel A to Channel D)

Each channel features a 3-pin XLR male connector with balanced configuration:

• Pin 2: Hot

• Pin 3: Cold

• Pin 1: Ground (Shield)

6. Wi-Fi Antenna Port

For antenna connection

III. Technical Parameters: