Monitor Audio W12 Anthra Subwoofer

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  • The W12 is the mid-sized model within the Anthra subwoofer series. It features a 12” (30 cm) Rigid Surface Technology II (RST II) C-CAM high-excursion driver powered by a Class-D 1,000 Watt amplifier, housed within a comprehensively internally braced, sealed-box cabinet.

    Engineered to deliver impressive bass in medium and large spaces, the Anthra W12 subwoofer features a formidable 1,000 Watt Class-D amplifier driving a 12” (30 cm) Rigid Surface Technology II (RST II) C-CAM high-excursion driver. The W12 can be used on its own or linked with up to three other Anthra subwoofers for a truly immersive, ultra-dynamic listening experience.

    A full-color LCD display and rotatory dial is located on the back panel, to allow for basic subwoofer setup and EQ preset selection, while advanced features including DSP configuration and multi-sub connectivity setup are available via the MaestroUnite app.

    • 1 x 12” (30cm) Rigid Surface Technology II (RST II) and ceramic-coated aluminum magnesium (C-CAM) high-excursion driver for super-clean performance
    • 1 x 1000 Watt Class-D amplifier ensures that the driver is working to its optimum performance level, no matter what the volume
    • Massive motor assembles and longer round-wound voice coils, which are dual layered and made of copper-coated aluminum wire (CCAW) for precise control at extreme low frequencies
    • 2 inch full-color LCD display screen with rotary dial for menu selection and basic setup
    • RCA inputs (left/right. The left Input is LFE)
    • RCA outputs allows daisy chain of up to 4 Anthra subwoofers
    • XLR inputs for professional installation connectivity option
    • XLR outputs allows daisy chain of up to four Anthra subwoofers
    • Available in Gloss Black and Satin White finishes
    • MaestroUnite Setup for Monitor Audio Anthra Subwoofers allows a user complete individualized setup. Available to download from the App Store and Google Play.
    System Format

    Active - Sealed Cabinet

    Drive Unit Complement

    1x 12" (305 mm) High Linear-Excusion Triple Suspension Driver

    Amplifier Classification

    High-Efficiency Class-D

    Lower Frequency Limit

    -6dB @16Hz

    Upper Frequency Limit

    (LPF Off) -6dB @400Hz

    Driver Excursion (pk-pk)

    50 mm


    28 Bit 50 MIPS Configuratable through MaestroUnite

    Analog Digital Conversion

    Autoranging Input which combines a 10Vrms maximum input with low signal to noise for small signals

    Amplifier Output Power, 240Vac

    Instantaneous: 1700 W*
    Continuous short-term: 900 W**

    Amplifier Output Power, 120Vac

    Instantaneous: 1325 W
    Continuous short-term: 700 W

    LED UI Control

    Brightness, On-Off

    Phase Control

    0-360 Degrees measured at LPF Crossover

    Low Pass Filter

    20-200Hz LPF with Roll off Adjustable from -3 to -48dB/Oct

    Custom EQ

    Configurable through MaestroUnite;3 pre-defined EQ curves plus 3 custom EQ curves each with 8 band custom EQ supporting (Peaking, High Shelf, Low Shelf, High Pass)

    Volume Level

    Wide adjustable input gain to allow maximum output from a wide range of input signals


    Stereo Unbalanced RCA (or mono/LFE using only connector marked LFE)Mono/LFE Balanced XLR


    Stereo unbalanced outputs with unbuffered throughput from RCA Inputs
    Mono/LFE Balanced XLR outputs with unbuffered throughput from XLR Input

    Mains Input Voltage

    Universal Mains, 85-265VAC

    External Dimensions (without feet) (HxWxD)

    374 x 374 x 374 mm

    Power Consumption

    200 W

    Cabinet Construction

    Braced 25 mm thick MDF with 36mm front baffle


    Cloth covered magnetically attached Grilles


    28.56 kg (63 lb 1 oz)

    * Maximum RMS output for an instantaneous signal
    ** Sinewave for 10 seconds

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