Extron MLA VC10 Plus Volume Control Module
Extron MLA VC10 Plus Volume Control Module is backordered and will ship as soon as it is back in stock.
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Extron MLA VC10 Plus Volume Control Module
The Extron MLA VC10 Plus Volume Control Module serves as a versatile interface that translates RS-232 commands from control systems into the precise voltage, impedance, or contact closure signals needed to adjust volume and mute functions on audio amplifiers. It bridges modern control platforms with traditional amplifier control ports for seamless integration in professional AV audio systems.
This module excels at enabling centralized volume management without direct physical access to amplifiers, allowing operators to perform level adjustments and muting remotely through touchpanels, controllers, or other automation devices. It ensures smooth, predictable audio control in environments where consistent sound levels are critical for presentations, meetings, or background audio.
Built in a compact 1U, one-eighth rack width metal enclosure, the MLA VC10 Plus features ground-isolated digital circuitry to eliminate noise interference in the audio signal path. Its durable construction supports reliable operation in rack-mounted, under-desk, or furniture-integrated setups, with convection cooling and no vents for quiet performance.
Primary applications include controlling Extron MPA Series or select half-rack XTRA Series amplifiers from TouchLink touchpanel systems, RS-232-capable MediaLink Controllers, IP Link processors, or third-party control platforms. It is also suitable for a broad range of commercial amplifiers that accept voltage (0-10 V) or 10k ohm potentiometer-style control, making it valuable in classrooms, conference rooms, boardrooms, and distributed audio installations.
Compatibility extends to Extron amplifiers like MPA 152, MPA 401, XPA 1002, XPA 2001, and MP 101, as well as many third-party models using voltage or resistance-based volume ports. It connects via RS-232 to control systems such as MediaLink Controllers, TouchLink-based setups, or IPL Series Ethernet interfaces, and can share power from these controllers or use an optional 12 VDC supply for standalone operation.
The module incorporates advanced features like Soft Start volume ramping to gently restore levels during power cycles or unmuting, preventing abrupt audio changes, and selectable volume taper for either linear or logarithmic response to match user preferences or amplifier characteristics. These elements contribute to polished, user-friendly audio control in professional AV workflows.
Features Chart
| Feature | Benefit |
|---|---|
| RS-232 to voltage/impedance/contact closure conversion | Enables precise remote volume and mute control from digital control systems |
| Volume and mute support for MPA and select XTRA Series | Provides seamless integration with common Extron half-rack amplifiers |
| Compatibility with third-party amplifiers | Supports voltage (0-10 V) or 10k ohm pot control for broad amplifier use |
| Ground-isolated digital circuitry | Prevents noise introduction into the audio signal path |
| Soft Start volume ramping | Gently restores audio levels during power-up or unmuting for smooth transitions |
| Selectable volume taper (linear or logarithmic) | Delivers consistent, natural-feeling volume adjustments tailored to preferences |
| Compact 1U, one-eighth rack metal enclosure | Offers flexible mounting options in racks, furniture, or under-desk setups |
| Power sharing with MediaLink or IPL controllers | Simplifies installation by using existing power sources or optional supply |
Specifications Table
| Specification | Details |
|---|---|
| Product Type | RS-232 volume control module |
| Enclosure | 1U high, one-eighth rack width metal |
| Dimensions | 1.7" H x 2.2" W x 3.0" D (4.3 cm H x 5.6 cm W x 7.6 cm D, depth excludes connectors) |
| Serial Control Port | 1 RS-232 via 3.5 mm captive screw, 3-pole (9600 baud, 8 data bits, 1 stop bit, no parity) |
| Variable Voltage Output | 1 port, 0-10 VDC (±0.2 V tolerance), 3.5 mm captive screw, 2-pole |
| Variable Resistance Output | 1 port, 0-10 kΩ (±0.2 kΩ tolerance), max 25 VDC/5 mA/25 mW, 3.5 mm captive screw, 3-pole |
| Relay Control | 1 momentary or latching relay, 24 V/1 A rating, 3.5 mm captive screw, 3-pole |
| USB Port | 1 front-panel mini USB B (for configuration, 5 VDC only, USB 2.0 low speed) |
| Power Requirements | 12 VDC, 0.3 A max (from optional supply or shared with MediaLink/IPL controller) |
| Operating Temperature | +32 to +122 °F (0 to +50 °C), 10% to 90% non-condensing |
| Mounting Options | Rack (with optional shelf/kit), furniture (mini under-desk kit), tabletop |
Compare Chart
| Aspect | Extron MLA VC10 Plus | Generic RS-232 to Voltage Converter | Competitor Volume Control Interface |
|---|---|---|---|
| Amplifier Compatibility | Optimized for Extron MPA/XTRA + third-party voltage/10k pot | Broad but less tuned | Often limited to specific brands |
| Control Conversion Types | RS-232 to voltage, impedance, contact closure | Typically voltage only | Voltage or relay-focused |
| Noise Isolation | Ground-isolated digital circuitry | Varies, often basic | Moderate isolation |
| Advanced Audio Features | Soft Start ramping, selectable taper | Rare or none | Basic level control only |
| Enclosure & Mounting | Compact metal 1/8 rack, flexible options | Plastic or open-board | Bulkier or rack-specific |
| Power Flexibility | Shares with controllers or optional supply | Separate supply required | Fixed power input |
| Integration with Extron Ecosystem | Direct with MediaLink, TouchLink, IPL | General RS-232 use | Less ecosystem synergy |
| Professional AV Optimization | Engineered for commercial amplifiers | Consumer/prosumer focus | Varies by application |
FAQ
- What is the Extron MLA VC10 Plus primarily used for? It converts RS-232 commands into voltage, impedance, or contact closure signals to provide remote volume and mute control for audio amplifiers.
- Which amplifiers are directly supported by the MLA VC10 Plus? It offers volume and mute control for Extron MPA Series, select half-rack XTRA Series, and many third-party commercial amplifiers using 0-10 V or 10k ohm pot control.
- How is the MLA VC10 Plus powered? It uses 12 VDC from an optional external supply or shares power from a connected MediaLink Controller or IPL Series Ethernet Control Interface.
- What advanced features improve user experience? Soft Start ramping gently restores volume levels during power cycles or unmuting, and selectable taper provides linear or logarithmic volume response.
- Does the MLA VC10 Plus prevent audio noise issues? Yes, its ground-isolated digital circuitry isolates control signals to avoid introducing noise into the audio path.
- What mounting options are available for the MLA VC10 Plus? Its compact 1U, one-eighth rack metal enclosure supports rack mounting (with optional kits), under-desk/furniture mounting, or tabletop placement.
At Creartion Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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