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A genuine 1,500-watt RMS amplifier states that output at a stated impedance; peak-power labels do not count. These mono subwoofer amplifiers deliver 1,500W RMS at one or two ohms, so the load must be wired to the exact impedance the manufacturer specifies. At this power level, budget for correctly fused 1/0 or 4-gauge wiring as applicable, a healthy charging system and professional installation.
| # | Product | Price | Where to buy |
|---|---|---|---|
| 1 | Rockford Fosgate T1500-1bdCP | $700–$800 | Amazon · eBay |
| 2 | Alpine R2-A150M | $650–$700 | Amazon · eBay |
| 3 | JL Audio RD1500/1 | $800–$1,000 | Amazon · eBay |
| 4 | AudioControl EPIC1500 | $900–$1,100 | Amazon · eBay |
| 5 | Memphis Audio PRXA1500.1 | $400–$550 | Amazon · eBay |
| 6 | Memphis Audio 16-PRX1500.1 | $450–$600 | Amazon |
| 7 | MB Quart QA1-1500.1D | $350–$500 | Amazon · eBay |
| 8 | Kicker 51KXMA1500.1 | $900–$1,100 | Amazon · eBay |
| 9 | AudioControl A1500.1 | $900–$1,100 | Amazon · eBay |
| 10 | MTX XTHUNDER1500.1 | $450–$600 | Amazon · eBay |
The picks, in detail
Rockford Fosgate T1500-1bdCP
A CEA-2006-compliant Power Series mono amp delivering 1,500W RMS at 1 or 2 ohms and 1,000W at 4 ohms.
- 1,500W RMS at 1/2Ω
- Class BD
- 24dB/octave low-pass filter
- Constant Power topology
- Well-documented high-current installation requirements
- Premium price and serious electrical demand
Alpine R2-A150M
An R2-Series mono sub amp rated for 1,500W RMS into 1 ohm.
- 1,500W RMS at 1Ω
- mono Class D
- R2-Series controls
- Real 1-ohm 1,500W rating
- Compact modern chassis
- Requires a 1-ohm-capable subwoofer wiring plan
JL Audio RD1500/1
A compact mono NexD amp that makes 1,500W RMS at 1 or 2 ohms, with 750W at 4 ohms.
- 1,500W RMS at 1/2Ω
- NexD switching
- differential-balanced inputs
- Useful input compatibility with factory systems
- Strong power at both 1 and 2 ohms
- Higher cost than entry-level 1-ohm amps
AudioControl EPIC1500
A compact EPIC-series monoblock explicitly rated at 1,500W RMS for a high-power subwoofer system.
- 1,500W RMS monoblock
- compact 10.59-inch length
- AudioControl tuning platform
- Small chassis for the output
- Premium signal-control pedigree
- Costs more than basic mono amplifiers
Memphis Audio PRXA1500.1
A Power Reference mono amplifier rated 700W at 4 ohms, 1,000W at 2 ohms and 1,500W RMS at 1 ohm.
- 1,500W RMS at 1Ω
- remote level control
- speaker-level inputs
- Clear stepped power ratings
- Can integrate with a factory radio
- Full output needs a 1-ohm load
Memphis Audio 16-PRX1500.1
The current Power Reference 1,500W mono model with high-level inputs and a supplied remote module.
- 1,500W RMS mono
- speaker-level inputs
- wired remote included
- Current-generation Memphis option
- Useful factory-radio integration
- Demanding 1-ohm configuration
MB Quart QA1-1500.1D
A Q-Series monoblock rated for 1,500W RMS at 1 ohm, 1,100W at 2 ohms and 750W at 4 ohms.
- 1,500W RMS at 1Ω
- subsonic and low-pass filters
- wired remote
- Wide tuning range
- Clear 1/2/4-ohm ratings
- 1,500W is only available at 1 ohm
Kicker 51KXMA1500.1
A marine-rated mono amplifier that produces 1,500W RMS at either 1 or 2 ohms.
- 1,500W RMS at 1/2Ω
- conformal-coated board
- marine-grade terminals
- Excellent choice for boats and exposed installations
- Works at two useful low impedances
- Marine-grade construction carries a premium
AudioControl A1500.1
An Altitude Series mono amplifier rated at 1,500W RMS at 1.33 ohms in SPIKE mode.
- 1,500W RMS at 1.33Ω
- high- and low-level inputs
- GTO signal sensing
- Useful OEM integration controls
- Distinct 1.33-ohm SPIKE operating point
- Requires careful impedance planning
MTX XTHUNDER1500.1
A THUNDER-series monoblock rated at 1,500W RMS into a 1-ohm subwoofer load.
- 1,500W RMS at 1Ω
- mono Class D
- subwoofer-specific amplification
- Straightforward high-output mono format
- Established car-audio brand
- Requires 1-ohm-stable sub wiring
Buying tips
- Read the RMS rating at your final impedance, not the largest number on the box.
- A 1,500W amp can overheat or damage equipment if the electrical system, ground and fuse are undersized.
- Set gain with a test tone and meter or have an installer do it; gain is not a volume control.
As an Amazon Associate and eBay Partner, toptenpick.com earns from qualifying purchases. Prices and availability are subject to change.