CT-700.1D 700 Watts RMS Monoblock Car Amplifier vs CT-1000.1D 1000 Watts RMS Monoblock Car Amplifier
Buy the CT-1000.1D if you want headroom and plan to run one or two subs hard. Buy the CT-700.1D if your subs are rated near 350-400 watts RMS at 2 ohms and you want to save money. Both are 1-ohm stable Class D monoblocks from CT Sounds with the same filters, bass knob and protection set. The CT-700.1D's lowest recorded price is $139.99 as of October 31, 2026; no price was given for the CT-1000.1D, so check its current price before deciding.
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CT-700.1D 700 Watts RMS Monoblock Car Amplifier
5Choose the CT-700.1D if your subwoofer setup needs about 380 watts at 2 ohms or 700 watts at 1 ohm and you want the lower-cost option.
Pros
- Lowest recorded price is $139.99 as of October 31, 2026
- Compact chassis fits tight installs
- Runs cool in hot weather per buyers
- Includes remote bass knob
Cons
- Only 380 W at 2 ohms, so less headroom
- One buyer needed a replacement after 2.5 years
- 200 W at 4 ohms limits sealed 4-ohm subs

What separates them
| CT-700.1D 700 Watts RMS Monoblock Car Amplifier | CT-1000.1D 1000 Watts RMS Monoblock Car Amplifier | |
|---|---|---|
| RMS power at 1 ohm | 700 W x 1 at 14.4 V | 1000 W x 1 at 14.4 V |
| RMS power at 2 ohms | 380 W x 1 | 650 W x 1 |
| RMS power at 4 ohms | 200 W x 1 | 350 W x 1 |
| Amplifier class | Class D monoblock | Class D monoblock |
| Filters and bass boost | LPF, subsonic filter, bass boost, remote bass knob | LPF, subsonic filter, bass boost, remote bass knob |
| Protection circuitry | High/low voltage, over current, over temperature | High/low voltage, over current, over temperature |
| Strappable | Yes, signal output is master | Yes, signal output is master |
| Ratings count |
Price history
$159.99$139.99
- CT-700.1D 700 Watts RMS Monoblock Car Amplifier: lowest $139.99 on Oct 31 at CT Sounds; $139.99 on Nov 1.
- CT-1000.1D 1000 Watts RMS Monoblock Car Amplifier: lowest $159.99 on Nov 2 at CT Sounds.
Prices at every store
CT-700.1D 700 Watts RMS Monoblock Car Amplifier
- CT SOUNDSCheck price at CT SOUNDS
- Platinum High Performance Solutions, LLC.Check price at Platinum High Performance Solutions, LLC.
- AmazonCheck price at Amazon
CT-1000.1D 1000 Watts RMS Monoblock Car Amplifier
- CT SoundsCheck price at CT Sounds
- eBayCheck price at eBay
- CT SOUNDSCheck price at CT SOUNDS
Specs compared
| Spec | CT-700.1D 700 Watts RMS Monoblock Car Amplifier | CT-1000.1D 1000 Watts RMS Monoblock Car Amplifier |
|---|---|---|
| Number Of Channels | 1-channel | 1-channel |
| Class | Class D | Class D |
| With Bass Control | Yes | — |
| RMS Power Rating | 200 watts RMS | — |
| Total Wattage | 700 watts | — |
| Color | — | Black |
Questions and answers
- Which is better for two 12-inch subs?
- The CT-1000.1D gives more headroom at 1 and 2 ohms. Pick the CT-700.1D only if your subs' combined RMS rating is around 350-400 watts at 2 ohms.
- Is the CT-1000.1D worth the extra money?
- Yes if you want 650 watts at 2 ohms or plan to add subs later. No price was given for the CT-1000.1D, so compare its current store price against the CT-700.1D's $139.99 as of October 31, 2026.
- Which one lasts longer?
- Both use the same Class D design and protection set. Buyers of the CT-1000.1D report one unit running 4 years, while a CT-700.1D buyer replaced his after 2.5 years. Neither has a clear durability edge.
- Do both come with a bass knob?
- Yes. Both include a remote bass knob and have LPF, subsonic filter and bass boost.
- Can I strap two of them together?
- Yes. Both are strappable, and the signal output is master on each.
- Will either fit in a small car?
- Both use the same compact Class D chassis, so fit is similar. The CT-1000.1D is the bigger power draw, so plan your wiring and fuse size.