Brand: MTX Audio · SKU: JH300-61001 · MPN: JH300-61001 · Category: Components
The MTX JH300 JackHammer is a mono-block, Class D subwoofer amplifier featuring 600 watts peak power. It delivers 200 watts RMS x 1 channel at 4 ohms or 300 watts RMS x 1 channel at 2 ohms (note: one source indicates 150W RMS @ 4 ohms, but 200W RMS is more frequently cited). It has a frequency response of 20-200 Hz. Key features include a variable low-pass filter (40-200 Hz or 40-5000 Hz, 24 dB/octave depending on source), a variable subsonic filter (20-50 Hz, 12 dB/octave), and Bass Boost (0-12 dB at 40 Hz). It incorporates Active Fan Cooling technology with automatic variable fan speed to manage heat. It also features Smart Engage for turning the amp on when a signal is present via speaker-level inputs, CEA-2006 compliant rating, and nickel-plated RCA/screw terminals. The chassis has a gloss black finish.
| Inputs | Preamp (RCA) and Speaker-Level inputs |
|---|---|
| Cooling | Active Fan Cooling with automatic variable speed |
| Bass Boost | 0-12 dB at 40 Hz |
| Power Type | Mono-Block, Class D |
| Low-Pass Filter | Variable (40-200 Hz or 40-5000 Hz), 24 dB/Octave |
| Subsonic Filter | Variable (20-50 Hz), 12 dB/Octave |
| Peak Power Output | 600 Watts |
| Frequency Response | 20Hz to 200Hz |
| RMS Power Output (2 Ohms) | 300 Watts x 1 |
| RMS Power Output (4 Ohms) | 200 Watts x 1 (or 150W x 1) |
| Warranty | 1 year if installed by an authorized MTX dealer; 90 days if installed by customer (for USA purchases from authorized dealers). Limited to the original retail purchaser. |
| Weight | N/A |
| Dimensions | 12-1/8"L x 2-3/8"H x 9-5/16"D (or 12-1/8″L x 8″W x 2-3/8″H) |
The MTX JH300 JackHammer amplifier is a powerful, Class D mono-block designed for subwoofers, capable of 600W peak power and up to 300W RMS at 2 ohms. It includes advanced thermal management via Active Fan Cooling and comprehensive tuning options like variable crossovers and bass boost to optimize sound output.
Yes, this MTX Audio JH300 JackHammer Mono Subwoofer Amplifier (JH300-61001) is 100% genuine MTX Audio hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This MTX Audio JH300 JackHammer Mono Subwoofer Amplifier includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the JH300-61001.