Papua New Guinea KM20 Digital Mixing Console
Category:
Product Description
KM20 Digital Mixing Console
I. Features:
▼10.1" Capacitive Touch Screen: 1280×800 resolution;
▼9×100mm Travel Motorized Faders: Equipped with sensing function
▼20-channel Physical Inputs: Including 16-channel XLR analog mic/line input channels (with 4 COMBO jacks); 2-channel USB sound card input OR 1-channel stereo Bluetooth input (select one only); 1-channel stereo USB playback input (via USB flash drive);
▼14-channel Physical Outputs: 8-channel XLR analog output channels; 2-channel USB sound card output; 1-channel stereo TRS monitoring headphone output; 1-channel USB REC output (USB flash drive recording);
▼16×Mono Input Buses and 3×Stereo Input Buses: Supports custom mapping of physical input ports to input buses;
▼11×Mixing Buses: 6-channel mono main output buses; 2-channel effector buses; 2-channel mono MTRX matrix output buses; 1-channel stereo main output bus;
▼Input Channel Features: Supports 48V phantom power switch, analog gain, digital gain, phase adjustment, 0-1000ms delay (max 2500ms system-wide), panning/balance,volume, channel label customization, 4-band parametric EQ (selectable: parametric EQ/High Shelf/Low Shelf/Low Pass), high-passfilter, noise gate, compressor, automatic gain, and automatic mixing.
▼Output Channel Features: Supports 0-1000ms delay (max 2500ms system-wide), panning/balance, volume, channel label customization, 4-band parametric EQ (selectable: parametric EQ/High Shelf), high-pass filter, low-pass filter, 31-band GEQ, compressor, and feedback suppressor (for AUX1/AUX2)
▼2×Effect Buses Each effect bus includes reverb and echo effects, which can be freely combined for use.
▼Internal Feedback: Suppressor (AUX1/AUX2): featuring 3 adjustable detection speed levels and 24 automatic notch filter points per channel.
▼16×Mono Input Buses: Equipped with 2×auto gain functions;
▼Built-in 2×2 Sound Card: Supports 2-track audio playback;
▼4×DCA Groups: 6×mute groups;
▼8 custom buttons: with freely configurable key functions.
▼2 custom fader layers (up to 9 channels per layer): allowing centralized control of frequently used channels by grouping them together.
▼Built-in real-time spectrum RTA function;
▼Digital expansion card support: Optional 16×16 recording sound card;
▼Supports storage and recall of 100 scenes and 100 effect libraries;
▼Supports storage and recall of scenes,EQ libraries,GEQ libraries,noise gate libraries,compressor libraries, and effect libraries; all libraries come with factory presets that can be recalled and customized as needed.
▼Supports third-party central control via RS232 port and TCP/IP protocol (Ethernet port).
▼Supports LAN connection and external USB Wi-Fi module,with control via web-based software.
▼Supports Chinese/English language switching; the app automatically adapts to the system language.
▼Supports 2-level panel lock to prevent misoperation.
II. Front and Rear Panel Description
Front Panel
1. USB Ports:
1) One USB port is used to connect a WiFi module for wireless hotspot access;
2) One USB port is used to connect a USB flash drive for multimedia recording/playback, scene import/export, and system updates;
3) One play/pause button is used to control USB flash drive playback.
2. Headphone: 6.5 interface 1stereo TRS.
3. Edit Knob: Adjusts the selected parameter.
4. Layer Select Buttons: Select from six layers: "IN1-8", "IN9-16", "ST/FX", "OUT", "DEF1", "DEF2".
5. Custom Buttons: Select from eight custom buttons ("1" to "8"). The functions of the custom buttons can be configured via the system settings page.
6. Display: 10.1-inch HD touch screen.
7. Channel Faders: Control the channel volume of the current layer page.
Rear Panel
1. Power Switch.
2. Power Input Port: 24V power interface; only the factory-supplied power adapter must be used.
3. RS232: Sends and receives serial control signals via the standard serial port; the default baud rate is 57600.
4. LAN: Connects to a local area network (LAN) router, used for software remote control and integration with central control systems via the TCP/IP protocol.
5. Bluetooth: Bluetooth antenna / 2×2 Type-C interface for USB sound card; only one can be used at a time.
6. Digital Expansion Card Interface: For 16×16 sound card; can be selected and configured based on on-site requirements.
7. Output: 8 physical output channels (all balanced XLR outputs)for connecting and sending signals to other power amplifiers. Physical outputs 1-6 are defaulted to AUX1-6 output buses; physical outputs 7&8 are defaulted to the main output interface.
8.Input: All are balanced input ports (16 XLR ports), including 4 multi-function COMBO XLR ports (compatible with both XLR cables and 1/4" TRS cables for connecting audio signal sources).
III. Technical Parameters:
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Processing Channels |
Input Processing Channels |
16 mono input buses and 3 stereo input buses |
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Output Processing Channels |
6 mono buses, 2 FX buses, 2 mono MTRX matrix output buses and 1 stereo main output bus |
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Internal Effects |
2 mono FX buses, each with echo and reverb that can be used in combination. |
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GEQ Modules |
6-channel mono AUX bus and the MAIN output bus have 31-band GEQ module functions. |
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Noise Gate |
Threshold: -100dBu ~ -20dBu Attack Time: 3ms~100ms Hold Time: 0~2000ms Release Time: 2x, 4x, 6x, 8x, 16x, 32x (release time = coefficient × attack time) Range: ∞dB ~ 0dB Configurable modes: Noise Gate, Sidechain Ducking |
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Compressor / Limiter |
Threshold: -54dBu ~ 0dBu Attack Time: 3ms~100ms Hold Time: 0ms~2000ms Release Time: 2x, 4x, 6x, 8x, 16x, 32x (release time = coefficient × attack time) Compression Ratio: 1.0:1 ~ ∞:1 Soft Knee: 0~20dB Gain: 0dB~18dB Sidechain compression function available |
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Auto Gain |
Threshold: -48 dBu ~ -26 dBu Attack Time: 5 ~ 500 ms Release Time: 5 ~ 500 ms Ratio: 1.0 ~ 6.0 Target Threshold: -25 dBu ~ 0 dBu |
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EQ |
4 bands for input, 4 bands for output, Frequency: 20Hz~ 20kHz Q value: 0.404 ~ 18.031 Type: Parametric, High Shelf, Low Shelf, Low-Pass Gain: -18.0dB ~ +18.0dB |
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High/Low Pass |
High pass: 20Hz ~ 600Hz, Low pass: 100Hz ~ 20kHz(Output) |
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Delay |
Per-channel Delay: 0 ~ 1000 ms Total System Delay: 2500 ms |
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Phase |
Standard/Reverse |
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RTA |
The EQ and GEQ curves show the signal levels of 31 frequency points in real time |
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Scene Files |
Up to 100 groups storable |
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Effects Library |
Up to 100 groups storable |
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Signal Processing Capability |
40-bit floating-point processing, 48KHz sampling rate. |
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A/D Converter |
24-bit, 192KHz, 115dB dynamic range. |
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D/A Converter: |
24-bit, 192KHz, 123dB dynamic range. |
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Connectors |
Microphone/Line Input XLR Ports |
16ports, including 4 COMBO ports for balanced input |
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XLR Output Ports |
8 ports |
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Headphone Output TRS Port |
1 port, stereo |
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Sound Card USB Interface |
Rear panel USB port, 2X2 channels, 48kHz (standard) |
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Other USB Ports |
2 USB ports on the front panel, which can be connected to USB flash drives for stereo recording and playback, firmware update, importing and exporting of scenes/effect libraries, and connecting WiFi modules. |
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LAN Port |
RJ-45 Network port, used for cable network connection |
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IN1-16 Input Characteristics |
Input Impedance |
Balanced: 10 kΩ; Unbalanced: 5 kΩ |
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Frequency Response |
20Hz~20KHz (+/-0.5dB) |
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Maximum Input Level |
+22dBu |
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Phantom Power |
+48V (IN1 to IN16) |
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Gain |
Analog gain: 0dB ~ 64dB Digital gain: -24dB ~ +24dB |
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S/N R |
-113dB (Gain = 0dB, A-weighted) |
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Dynamic Range |
-114dB (Gain = 0dB, A-weighted) |
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OUT1-8 Output Characteristics |
THD |
0.004%(Gain =0dB and Output =0dBu, unweighted) |
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Frequency Response |
20Hz~20KHz (+/-0.5dB) |
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Maximum Output Level |
+22 dBu |
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Output Impedance |
＜100Ω |
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Background Noise |
-86dBu(Gain=0dB) |
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Monitor and Headphone Characteristics |
Output Impedance |
＜50Ω |
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Maximum Output Level |
+20 dBu |
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Background Noise |
-76dBu(Gain=0dB) |
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Digital I/O |
Digital I/O |
USB (Flash Drive), Bluetooth/2x2 Sound Card (Type-C interface) |
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USB stereo playback and recording, supports MP3, WAV, and FLAC file playback，USB Format:3.0，Recording format ：wav |
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Expansion |
16*16 Sound Card |
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Overall |
Channel Separation |
-107dB |
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Display |
10.1" touchscreen with 1280x800 resolution |
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Motorized Faders |
9 Stroke electric push rod potentiometer with 100mm |
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System |
Linux |
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Network |
LAN port and external USB network adapter module, supporting web-based software control. |
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Hardware |
Power |
Power Adapter: Input: AC 100–240 V 50/60 Hz; Output: DC 24 V 2.5 A |
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Power Consumption |
≥50W |
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Operating Temperature |
5℃~40℃ |
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Group Delay |
1.6ms |
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Boot Time |
18s |
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Dimensions (DxWxH) |
(Device) 358x442.12x115.05mm (Encasement) 595x455x215mm |
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Weight |
Net Weight: 5.1kg Gross Weight: 6.9kg |
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Accessories |
Bluetooth Antenna |
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WiFi Dongle |
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Power Adapter |
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