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Summary of Contents for LD ICOA PRO SUB 21 A
- Page 1 USER MANUAL ICOA® PRO SUB 21 A POWERED 21" BASS REFLEX PA SUBWOOFER LDICOASUB21APRO; en-GB...
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Page 3: Table Of Contents
Device Safety............................................15 PRODUCT DESCRIPTION ..........................16 Product Overview ..........................................16 Optional Accessories ......................................... 16 Dimensions.............................................. 16 Technical Data ............................................17 User Interface ............................................19 Front LED ..............................................19 PREPARATION ............................20 Scope of Delivery..........................................20 LD ICOA® PRO SUB 21 A... - Page 4 Available Speakers Section Overview................................... 8.4.3.6 Main EQ Section Overview......................................8.4.3.7 Channel EQ Section Overview..................................... 8.4.3.8 Main Config Section Overview....................................8.4.3.9 Subwoofer Channels Overview ....................................8.4.3.10 Subwoofer Config Overview......................................8.4.3.11 Bluetooth® Section Overview....................................8.4.3.12 Settings Section Overview......................................LD ICOA® PRO SUB 21 A...
- Page 5 8.10.1 Opening the Scenes Section..................................57 8.10.2 Activating Scenes....................................... 57 8.10.3 Saving Custom Scenes ....................................57 MAINTENANCE ............................59 Troubleshooting........................................... 59 Resetting the Device to Factory Settings ................................59 Cleaning the Device ........................................... 60 LD ICOA® PRO SUB 21 A...
- Page 6 Storing the Device..........................................60 10 REPAIR..............................61 11 DISPOSAL ..............................62 11.1 Packaging Disposal ..........................................62 11.2 Device Disposal............................................. 62 INDEX ............................... 63 LD ICOA® PRO SUB 21 A...
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Page 7: Document Version And Revisions
GENERAL 1 | DOCUMENT VERSION AND REVISIONS Version Number Version Changes Publishing Date This document Original April 2025 LD ICOA® PRO SUB 21 A... -
Page 8: Introduction
2 | INTRODUCTION YOU MADE THE RIGHT CHOICE! This product has been developed and manufactured to the highest quality standards to ensure many years of problem-free operation. Find further information about LD Systems on our website: https://www.ld-systems.com/ CONTACTS Adam Hall GmbH Headquarter... -
Page 9: Visualisation Conventions In This User Manual
<name> User input Paragraphs; The words presented in this way represent tasks; tables; required user inputs. lists Weblink https://adamhall.com Paragraphs; External link to a website tables; lists LD ICOA® PRO SUB 21 A... -
Page 10: Product Compliance
However, there is no guarantee that interference will not occur in a particular installation. If this LD ICOA® PRO SUB 21 A... - Page 11 This device meets the exemption from the routine evaluation limits in section 2.5 of RSS 102 and compliance with RSS 102 RF exposure, users can obtain Canadian information on RF exposure and compliance. LD ICOA® PRO SUB 21 A...
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Page 12: Safety Instructions
This symbol indicates pinching hazards. This symbol indicates that the product is for indoor use only. This symbol indicates that the product is not suitable for household use. This symbol indicates helpful hints or additional information. LD ICOA® PRO SUB 21 A... -
Page 13: Structure Of Warning Messages
If not further specified in the user manual under Technical Data, do not use the device in ambient temperat- ures that exceed 40 °C / 104 °F or fall below 0 °C / 32 °F Do not use the device in tropical climate. LD ICOA® PRO SUB 21 A... -
Page 14: Electrical Safety
Make sure that the device and its stand are securely positioned. Secure against unintentional movement. Check all cable routes to prevent tripping accidents. Moving components, such as mounting brackets, pose a risk of pinching injuries. LD ICOA® PRO SUB 21 A... -
Page 15: Thermal Safety
Loudspeakers generate a magnetic field, even when they are not in use. Devices, such as hard disk drives or cheque cards may be affected by the loudspeaker's magnetic field. Do not set up or transport these devices near the loudspeaker. LD ICOA® PRO SUB 21 A... -
Page 16: Product Description
PRODUCT DESCRIPTION 5 | PRODUCT DESCRIPTION PRODUCT OVERVIEW The LD Systems ICOA® PRO SUB is a powered 21" bass reflex PA subwoofer with app control. FEATURES: 2 XLR inputs and 2 XLR outputs App Control OPTIONAL ACCESSORIES Find various accessories for your product in the Adam Hall Shop: https://www.adamhall.com/shop... -
Page 17: Technical Data
DC protection, Short circuit, Multiband limiter, Over- heat BLUETOOTH® Article number LDICOASUB21APRO Bluetooth® version Bluetooth® functions Data INPUTS Article number LDICOASUB21APRO Line inputs Line input connectors OUTPUTS Article number LDICOASUB21APRO Line outputs Line output connectors LD ICOA® PRO SUB 21 A... - Page 18 Housing colour Black Housing material Multiplex birch Number of handles Flange Cooling Passive, Cooling fins DIMENSIONS AND WEIGHT Article number LDICOASUB21APRO Dimensions (W x H x D) 565.5 mm x 700 mm x 698.8 mm Weight 57 kg LD ICOA® PRO SUB 21 A...
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Page 19: User Interface
Set the function of the front LED Limit (Default): White LED when the device is switched on. Red LED when the limiter is active. White LED when the device is switched on. Off: LED is off permanently. LD ICOA® PRO SUB 21 A... -
Page 20: Preparation
PREPARATION 6 | PREPARATION SCOPE OF DELIVERY Device Mains power cable Safety Compliance Information (en, de, fr, it, pl, es) Quick Start Guide (en) LD ICOA® PRO SUB 21 A... -
Page 21: Installation
1 Screw in the M20 speaker pole. Follow the instructions of the satellite loud- speaker and the speaker pole. 2 Lift and place the satellite loudspeaker onto the speaker pole. See also: Optional Accessories [} 16] LD ICOA® PRO SUB 21 A... -
Page 22: Operation
1 Plug the device power connector into the device. Make sure the bayonet connector is positioned correctly. 2 Turn the bayonet connector clockwise to lock it. 3 Plug the mains power connector into the mains power socket. LD ICOA® PRO SUB 21 A... -
Page 23: Turning The Device On Or Off
2 Pull the locking lever of the bayonet connector backwards and hold it. 3 Turn the bayonet connector anticlockwise. 4 Pull the bayonet connector out of the socket. LD ICOA® PRO SUB 21 A... -
Page 24: Navigating The Device
4 Turn the RPE until is highlighted. 5 Push the RPE to close the MAIN EQ screen. ð The MAIN EQ is displayed in colour to in- dicate that settings have been made in the corresponding equaliser. LD ICOA® PRO SUB 21 A... -
Page 25: Accessing The Settings Section
You can access the SETTINGS section from any grid position in the main screen. ü The main screen is displayed. 1 Push and hold the rotary-push encoder (RPE) for approximately 2 seconds. ð The SETTINGS section appears. LD ICOA® PRO SUB 21 A... -
Page 26: Device Display Overviews
Equaliser - Opens the equaliser. If the equaliser is flat, the icon is white. PRESET - Indicates the currently used equaliser preset. Select to access the EQ Preset screen. Metering - 12 segment channel metering Clip - Indicates that the corresponding input channel is clipping LD ICOA® PRO SUB 21 A... -
Page 27: Eq Section Overview
Equaliser Band - Indicates the corresponding equaliser band (Low, L-Mid, H-Mid, High) Gain - Adjusts the gain of the selected equaliser band Frequency - Adjusts the frequency of the selected equaliser band Quality - Adjusts the quality of the selected equaliser band (lowshelf, highshelf) LD ICOA® PRO SUB 21 A... -
Page 28: Eq Presets Section Overview
120 Hz - Applies an 120 Hz highcut filter to the signal CARDIOID - Toggles the cardioid setting on / off. When the cardioid setting is activated, the cardioid loudspeaker symbol is highlighted green. MONITOR - Opens the EQ MONITOR screen - Closes the section LD ICOA® PRO SUB 21 A... -
Page 29: Eq Monitor Section Overview
- Closes the section 100 Hz MON - Applies a 100 Hz highcut filter to the signal CARDIOID MON - Toggles the cardioid setting on / off. The cardioid loudspeaker symbol is highlighted green, when the cardioid setting is activated. LD ICOA® PRO SUB 21 A... -
Page 30: Settings Section Overview
LCD BRIGHTN. - Adjusts the display brightness (50 %...100 %) FACTORY RESET - Resets the device to factory settings SYSTEM INFO - Displays the system information (product type, firmware version, DSP version) - Closes the section LD ICOA® PRO SUB 21 A... -
Page 31: Icoa® Pro Mobile App
Firmware Update screen. 2 Under Device, select the ICOA® PRO you want to update from the drop-down menu 3 Tap on Update to start the up- date process. 4 The Update running progress bar opens. LD ICOA® PRO SUB 21 A... -
Page 32: App Overviews
Main – Indicates the main output channel name Main Channel Fader – Adjusts the volume of the main output (-80 dB...+10 dB) Fader Value – Indicates the main output channel fader value in dB (-80 dB...+10 dB) Mute – Toggles mute on / off LD ICOA® PRO SUB 21 A... -
Page 33: Main Section Overview
Main Channel - Indicates the main output of the ICOA® PRO. Tap to open the channel settings. Faders - Adjust the volume of the corresponding channel (-80 dB...+10 dB) Fader Values - Indicate the corresponding fader level in dB (-80 dB...+10 dB) Mute - Toggles mute on / off LD ICOA® PRO SUB 21 A... -
Page 34: Main Section Overview In True Wireless Stereo (Tws)
Faders - Adjust the volume of the corresponding channel (-80 dB...+10 dB) Fader Values - Indicate the corresponding fader level in dB (-80 dB...+10 dB) Mute - Toggles mute on / off LD ICOA® PRO SUB 21 A... -
Page 35: Scenes Section Overview
Current Scene / Scene Preview - Indicates the current configuration of the scene. Under Scenes select a scene to show a preview in this area. LD ICOA® PRO SUB 21 A... -
Page 36: Available Speakers Section Overview
Unlink - Cancels the link for the selected loudspeaker Start - Deploys the settings to the selected loudspeakers and closes the section Linked Speakers Grid - Indicates the linked loudspeakers on the respective grid position LD ICOA® PRO SUB 21 A... -
Page 37: Main Eq Section Overview
Band - Indicates the selected equaliser band Frequency - Indicates the set frequency for the respective equaliser band Gain - Indicates the set gain for the respective equaliser band Quality - Indicates the set quality for the respective equaliser band LD ICOA® PRO SUB 21 A... -
Page 38: Channel Eq Section Overview
Band - Indicates the selected equaliser band Frequency - Indicates the set frequency for the respective equaliser band Gain - Indicates the set gain for the respective equaliser band Quality - Indicates the set quality for the respective equaliser band LD ICOA® PRO SUB 21 A... -
Page 39: Main Config Section Overview
System Info - Indicates information on your device, firmware and DSP version Mute - Toggles mute on / off LCD Brightness - Sets the brightness for the LCD display of the ICOA® PRO (50 %...100 %) Delay - Adjusts the signal delay of the selected main channel (0.0 ms...147 ms) LD ICOA® PRO SUB 21 A... -
Page 40: Subwoofer Channels Overview
Main Coupling - Indicates the coupling status (White: Coupling is active, Grey: Coupling is not active) Faders - Adjusts the volume for the corresponding subwoofer output channel Fader Value - Indicates the fader level in dB (-80 dB...+10 dB) Mute - Toggles mute on / off LD ICOA® PRO SUB 21 A... -
Page 41: Subwoofer Config Overview
System Info - Indicates information on your device, firmware and DSP version Mute - Toggles mute on / off LCD Brightness - Sets the brightness for the LCD display of the ICOA® PRO (50 %...100 %) Delay - Adjusts the signal delay of the selected main channel (0.0 ms...147 ms) LD ICOA® PRO SUB 21 A... -
Page 42: Bluetooth® Section Overview
Swap Left / Right - Swaps Left and Right between the Main and Follower loudspeaker Swap Speakers - Swaps the linked loudspeakers between Main and Follower position Mono / Stereo - Toggles between stereo and mono configuration LD ICOA® PRO SUB 21 A... -
Page 43: Settings Section Overview
Scenes - Opens the scenes section 8.4.4 USING THE APP SPEAKER SETUP 8.4.4.1 OPENING THE APP SPEAKER SETUP 1 In the Bluetooth® section , tap on Speaker Setup ð The Speaker Setup screen ap- pears. LD ICOA® PRO SUB 21 A... -
Page 44: Linking A Loudspeaker
Speaker Setup. 8.4.4.3 UNLINKING A LOUDSPEAKER 1 Tap on the respective loudspeaker in the grid of the Linked Speakers area 2 Tap on Unlink. ð The loudspeaker is unlinked from the respective grid posi- tion. LD ICOA® PRO SUB 21 A... -
Page 45: Using The Equaliser (Eq)
3 Drag the frequency band to the needed position. 4 Pinch in or out to adjust the Q-factor. Tap on Frequency, Gain or Quality to enter the values using the virtual keyboard. LD ICOA® PRO SUB 21 A... -
Page 46: Input Connections
ü You have a 3-pin XLR cable. 1 Turn down the main volume. 2 Connect the ICOA® PRO MIX OUT to the ICOA® PRO sub- HOLD FOR SETTINGS woofer INPUT 1 or INPUT 2 INPUT 3 Turn up the main volume. THRU LD ICOA® PRO SUB 21 A... -
Page 47: Audio Playback
ADJUSTING THE MAIN VOLUME 1 Turn the rotary-push encoder (RPE) until the MAIN channel is highlighted. 2 Push the RPE . 3 Turn the RPE clockwise to increase the output volume and anticlockwise to decrease it LD ICOA® PRO SUB 21 A... -
Page 48: Monitor Mode Use Case
Find below the drum fill / side fill use case with screenshots of the ICOA® PRO app showing the corresponding settings. 8.7.1 DRUM FILL / SIDE FILL Falling object Risk of serious injury WARNING Secure the devices against unintentional movements. LD ICOA® PRO SUB 21 A... -
Page 49: Output Connections
4 Push the RPE to activate the corresponding pre- set. ð The corresponding preset is applied to the output signal. 8.8.2 LOADING A SUBWOOFER PRESET IN THE APP 1 Tap on any Subwoofer channel LD ICOA® PRO SUB 21 A... -
Page 50: Connecting Additional Icoa® Pro Subwoofers
1 Connect the THRU 1 or THRU 2 output of the first ICOA® PRO subwoofer to the INPUT 1 or INPUT 2 of the second unit using a 3-pin XLR cable. The THRU 1 output of the ICOA® PRO subwoofer provides the signal from INPUT 1 only. The THRU 2 output provides the signal from INPUT 2 only. LD ICOA® PRO SUB 21 A... -
Page 51: Loudspeaker Setups
In the following find typical use cases for loudspeaker setups. In addition you find a corresponding screenshot of the Speaker Setup in the ICOA® PRO app. 8.9.2 STEREO WITH 2 TOPS AND 2 SUBS MIX OUT MIX OUT LD ICOA® PRO SUB 21 A... -
Page 52: Stereo With 2 Tops And 4 Subs
OPERATION 8.9.3 STEREO WITH 2 TOPS AND 4 SUBS MIX OUT MIX OUT THRU 1 THRU 1 LD ICOA® PRO SUB 21 A... -
Page 53: Stereo With 2 Tops And 4 Subs - No True Wireless Stereo (Tws)
STEREO WITH 2 TOPS AND 4 SUBS - NO TRUE WIRELESS STEREO (TWS)* IN 1 IN 1 INPUT 1 INPUT 1 INPUT 1 OUTPUT (LEFT) OUTPUT (RIGHT) INPUT 1 * This setup is not suitable for audio transmission via True Wireless Stereo (TWS). LD ICOA® PRO SUB 21 A... -
Page 54: Stereo With 2 Tops And Mono Sub
OPERATION 8.9.5 STEREO WITH 2 TOPS AND MONO SUB MIX OUT MIX OUT LD ICOA® PRO SUB 21 A... -
Page 55: Stereo Cardioid With 2 Subs And 3 Subwoofers
OPERATION 8.9.6 STEREO CARDIOID WITH 2 SUBS AND 3 SUBWOOFERS MIX OUT MIX OUT THRU 2 THRU 1 LD ICOA® PRO SUB 21 A... -
Page 56: Stereo With 2 Tops And 4 Subs (2 Subs Cardioid)
OPERATION 8.9.7 STEREO WITH 2 TOPS AND 4 SUBS (2 SUBS CARDIOID) MIX OUT MIX OUT THRU 1 THRU 1 INPUT 1 INPUT 1 LD ICOA® PRO SUB 21 A... -
Page 57: Scenes
8.10.3 SAVING CUSTOM SCENES Use custom scenes to save loudspeaker configurations with all associated settings, such as volume levels or EQ settings. 1 At the bottom of the Scenes list, tap on New Scene… LD ICOA® PRO SUB 21 A... - Page 58 OPERATION 2 Enter a name for the new scene. 3 Confirm your entry. ð The custom scene appears in the Scenes list. LD ICOA® PRO SUB 21 A...
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Page 59: Maintenance
(Front LED illuminated main channels. red) RESETTING THE DEVICE TO FACTORY SETTINGS 1 Open the SETTINGS section on the ICOA® PRO. 2 Turn the rotary-push encoder (RPE) until FACTORY RESET is highlighted. 3 Push the RPE . LD ICOA® PRO SUB 21 A... -
Page 60: Cleaning The Device
Store the device only in a dry and clean environment. If you are storing the individual components of the device, use special protective covers, bags, and cases. Find such accessories for your product in the Adam Hall Shop (https://www.adamhall.com/shop). LD ICOA® PRO SUB 21 A... -
Page 61: Repair
Repairs may only be carried out by specialist personnel authorised by the manufacturer. CAUTION b. If your device is damaged or requires service, contact the Adam Hall Customer Service. See also: Contacts [} 8] LD ICOA® PRO SUB 21 A... -
Page 62: Disposal
2. Observe all disposal laws applicable in your country. 3. As a private customer, you can obtain information on environmentally friendly disposal options from the seller of the product or the appropriate regional authorities. LD ICOA® PRO SUB 21 A... -
Page 63: Index
26, 27, 28, 29, 30 Equaliser 27, 37, 45 Product 16 Factory reset 59 Power supply 22, 23 Firmware 31 PowerCON® 22, 23 Flange 21 Front LED 19, 30, 39 Rotary-push encoder 24 Input connections 46 LD ICOA® PRO SUB 21 A... - Page 64 21 Speaker preset 28 Speaker setup 43 Storing 60 Technical data 17, 18 Troubleshooting 59 Turning on / off 23 Updating firmware 31 Use Cases 48, 51 User interface 19 Volume Output channel 47 LD ICOA® PRO SUB 21 A...
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