TH12A Powered Speaker

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The TH12A from Mackie is a high performance PA speaker with 2 amps built in totaling 400w of power, built in EQ and versiatile cabinet shape allowing use . All this at an incredibly affordable price!

Designed by the same team that produced the best-selling Mackie SRM450v2, the Mackie Thump TH-12A delivers deep low-end and real power in a lightweight design that is extremely portable. Class-D Fast Recovery™ amplification pushes 400-watts of power to the high-frequency compression driver and bass-pounding 12" woofer. Plus, Mackie Active processing, including a precision crossover and driver time-alignment provides total optimization for maximum system efficiency. Versatile by design, the TH-12A features a user-adjustable 3-band EQ for tone control and, since it can be pole-mounted or used as a wedge, the TH-12A represents the best value available for a complete stage solution.

More than Just a Powered Speaker Cabinet
Sure, the TH-12A has a built-in power amp—it has two of them, 300-Watts for the 12" woofer and 100-Watts for the high-frequency compression driver. Our Class-D Fast Recovery™ llow-frequency amp drives the woofer more efficiently with less heat byproduct than other speakers. But so much more goes into a Mackie loudspeaker design than just amplifiers. Mackie Active technology (based on the popular SRMv2 Series) divides the frequencies via a precision 2-way crossover and also time aligns the signals so low-frequency and high-frequency signals arrive in sync to every member of your audience. Active compression provides a first line of defense for the drivers and thermal circuitry protects the amplifiers and power supply should things get too hot. All the onboard electronic systems work together dynamically to produce superior quality sound previously unavailable in this price range.

Portability Meets Versatility
Not only is the TH-12A a superb PA enclosure, it also makes a superior monitor wedge—just lay the cabinet on its side and turn it up. The compact, lightweight design means zero strain, whether mounting it on a high pole or loading up the van. The TH-12A´s wide frequency response makes it ideal as a keyboard, vocal or even bass guitar monitor. The Thump has incredibly smooth response and dispersion over a wide range of frequencies, so you can crank it without the fear of ear-splitting feedback.

Exceptional Sonic Performance
TH-12A powered loudspeakers put out a tremendous amount of sound for their size and price tag. The two-way ported design generates ample quantities of chest-pounding bass, and its 1" compression driver ensures smooth, wide dispersion. We even inserted a 3-band equalizer at the input to give you all the tonal control you could ever want, with an available 15dB boost or cut at 80Hz (low shelf), 100Hz to 8kHz (sweepable mids) and 12kHz (high shelf). With the TH-12A´s extremely versatile EQ, you can add some extra thump to that kick drum, bring out the sizzle in your hi-hats, add pop to vocals or correct acoustic anomalies in the room.

Protecting Your Investment
Because we know you demand the most from your speakers, we added some extra circuitry to keep your TH-12As performing at their best, even when pushed really hard for long periods of time. Each driver has its own transparent compression circuit, which helps protect them from damaging transient peaks. An over-excursion filter, inserted just before the low frequency amplifier, protects the woofer from bottoming-out when the low-end is driven to the maximum. This means you can hit them hard without fear of thermal damage. We know things can get pretty hot in the real world, so if the electronics do overheat, separate thermal switches activate and shut down the high and/or low frequency amplifiers until they cool down. These extra protections ensure long life and great-sounding loudspeakers you can always count on.


  • 400W of ultra-efficient Fast Recovery™ amplification
    - LF 300W peak power (Class-D)
    - HF 100W peak power (Class A/B)
  • High-output transducers
    - 12" high-precision woofer
    - 1" compression driver
  • Mackie Active electronics provide total system optimization
  • Precision 2-way crossover
  • Transducer time-alignment
  • User-adjustable 3-band contour EQ with sweepable mid-frequency
  • Mic/Line input for direct connection of single microphone
  • Tough, impact-resistant polypropylene enclosure
  • Pole-mountable and floor wedge-able
  • Extremely lightweight and portable (25.5 lbs)

  • Specifications

    Acoustic Performance
  • Frequency Range (-10 dB) : 57 Hz - 20 kHz
  • Frequency Response (-3 dB) : 70 Hz - 18.5 kHz
  • Horizontal Coverage Angle : 90 Degrees
  • Vertical Coverage Angle : 60 Degrees
  • Maximum SPL Long-Term : 112 dB SPL @ 1m
  • Maximum SPL Peak : 115dB SPL@1m

  • Input Type : Female XLR Balanced/Unbalanced/li>
  • Input Impedance : 20k ohms bridging; 10k ohms
  • Loop-through : Male XLR Balanced/Unbalanced
  • Level Control : Rotating Knob - 0 dB at center
  • Sensitivity : +4 dBu for full output (Level control @ center) - -36dBu for full output (Level control @max)

  • Low frequency : 12In/381 mm with steel frame paper cone woofer
  • High Fequency : Horn-loaded 1 in/25 mm exit compression driver

    Power Amplifiers
  • Low Frequency Power Amplifier :
    - Rated Power : 150 watts, 8 ohm load, 300 watts peak
    - THD : <0.1%
    - Signal-to-Noise Ratio :> -94 dB, 20 Hz to 20 kHz, unweighted, referenced to 138 watts into 8 ohms
    - Design: BTL Class D
  • High Frequency Power Amplifier :
    - Rated Power : 50 watts, 4 ohm load 100 watts peak
    - THD : <0.1 %
    - Signal-to-Noise Ratio :> -97 dB, 20 Hz to 20 kHz, unweighted, referenced to 50 watts into 4 ohms
    - Design:Class AB

    Electronic Crossover
  • Crossover Type: 24 dB/octave
  • Crossover Frequency : 3 kHz

    Equalization :
  • Low Frequency EQ : ±15 dB @ 80 Hz, shelving
  • Mid Frequency EQ :±15 dB, bandpass, sweepable from100 Hz to 8 kHz
  • High Frequency EQ :±15 dB @ 12 kHz, shelving
  • Direct/EQ Switch :Bypasses EQ section

    Protection Features :
  • Over-excursion Protection : econd-order sub-sonic filter
  • Thermal Protection : Independent amplifier shutdown, auto reset
  • Driver Protection : Independent HF and LF compressors

    AC Power Requirements :
  • Europe : 240 VAC, 50 Hz
  • AC Connector: 3-pin IEC 250 VAC, 20 A male
  • Fuse : 230 VAC: T 3.15 AL/250 V
  • Power Consumption : 320 watts with music, loud mix - 20 watts quiescent (idle)

    Construction Features :
  • Basic Design : Asymmetrical Trapezoidal
  • Material: Polypropylene
  • Finish : Textured
  • Handles : One on each side, one on top
  • Grille : Perforated metal with weather-resistant coating Display LEDs
  • Front : Power ON
  • Rear : Power ON, OL (overload)

    Physical Dimensions and Weight :
  • Dimensions :
    - Height : 23.5 in/596 mm
    - Width : 14.5 in/367 mm
    - Depth : 12.4 in/314 mm
    - Weight : 25.5 lb/11.6 kg

    Mounting Methods :
  • Pole-mountable via the built-in socket on the bottom of the cabinet. Be sure the pole is capable of supporting the weight of the TH-12A.

  • Tags: Mackie, TH12A, Powered Speaker