Description
52L7XS121 12" SoloXS L7XS 1 Ohm DVC Square Subwoofer
The KICKER 52L7XS121 is a 12-inch SoloXS L7XS square subwoofer built for extreme excursion, ultra-deep bass, and very high output. Designed as part of KICKER’s pinnacle SoloXS line, it combines exceptionally high power handling, massive motor strength, long-throw suspension design, and service-friendly recone construction for serious bass systems that demand both output and durability.
Overview
SoloXS Output for Extreme Bass Systems
The 52L7XS121 is part of KICKER’s SoloXS L7XS family, built to take square subwoofer performance beyond the already aggressive SoloX platform. The provided family information describes SoloXS as offering more power, more stroke, and more Xmax, with a design focused on both extreme SPL capability and strong musicality.
In this 12-inch version, KICKER combines a massive ferrite motor, long-throw suspension system, and a heavy-duty 3-inch voice coil platform to support exceptionally high excursion and serious low-frequency output.
- 12" SoloXS L7XS square subwoofer.
- Built for ultra-deep bass at very high volume.
- Designed for both extreme output and musical performance.
Core Performance
High Power, Long Stroke, Massive Motor
The 52L7XS121 is rated for 1500 to 3000 watts RMS and uses a 3-inch aluminum voice-coil former with a 3.4-inch winding width. A total magnet weight of 705 ounces (20 kg) and an Xmax of 43.1 mm support the heavy-excursion behavior expected from the SoloXS platform.
- 1500-3000W recommended amplifier power.
- 3" voice coil diameter.
- 43.1mm Xmax.
- 705 oz / 20 kg total magnet weight.
Feature Highlights
What Sets the 52L7XS121 Apart
Construction & Engineering
Built Beyond Typical High-Power Subwoofer Design
The SoloXS family is described as being built with extremely tight tolerances and with more power, more stroke, and more Xmax than the SoloX line. On the 52L7XS121, that approach is backed by a max-cooling cast-aluminum basket, custom rubber magnet boot, extra-large dual spiders, and a substantial ferrite motor assembly.
- Max-cooling cast-aluminum basket.
- Custom rubber boot for oversized ferrite magnet.
- Extra-large dual-spider suspension.
- Double-pressed pulp cone.
Enclosure & Fitment
Vented Enclosure Data for the 12" SoloXS
The provided enclosure recommendation specifies a 3.0 cubic foot vented box tuned to 31 Hz. Associated vent dimensions are listed as a 3.5 x 13 inch port opening with a 36.5 inch port length, while physical mounting specs include a 10-1/8 inch mounting depth and 11-1/16 inch cutout.
- Recommended vented volume: 3.0 cu ft.
- Vented tuning frequency: 31 Hz.
- Mounting depth: 10-1/8".
- Cutout: 11-1/16".
The SoloXS family information states that the pre-assembled recone assembly is designed for fast on-site service using a no-glue replacement approach with alignment pins and bolt-on attachment points.
| Model | KICKER 52L7XS121 |
| Series | SoloXS L7XS |
| Size | 12" (30 cm) |
| Configuration | 1 ohm DVC |
| Recommended Amp Power RMS | 1500-3000 watts |
| Frequency Response | 20-100 Hz |
| Voice Coil Diameter | 3" (75 mm) |
| Voice Coil Winding Width | 3.4" (86.2 mm) |
| Magnet Diameter | 9.85" (25 cm) |
| Total Magnet Weight | 705 oz (20 kg) |
| Top Plate Thickness | 0.8" (20 mm) |
| Xmax | 1.71" (43.1 mm) |
| Mounting Cutout | 11-1/16" (28.1 cm) |
| Mounting Depth | 10-1/8" (25.7 cm) |
| Recommended Vented Box Volume | 3.0 cu ft (84.9 L) |
| Port Opening | 3.5" x 13" (9 x 33 cm) |
| Port Length | 36.5" (93 cm) |
| Vented Enclosure Tuning Frequency | 31 Hz |
| Re | 2.08 Ohm |
| fs | 35.8 Hz |
| Mms | 612.687 g |
| Bl | 23.9945 Tm |
| Qms | 4.371 |
| Qes | 0.497 |
| Qts | 0.4465 |
| Vas | 17.89565 l |
| Sd | 625 cm² |
| Lnom | 83.85 dB |
| Xmax | 43 mm |
Used Frequently Asked Questions
- What does used mean? Used products may be unused customer returns that are essentially "new" items, or they may be previously installed products that were returned under warranty or during our return policy period.
- What is the warranty? All of our used items come with a 90-day warranty.
- What's it look like? All of our used items are inspected and graded by our returns team at our facilities. They will test them and grade them to one of four standard gradings: Used Open Box, Used Very Good, Used Good, and Used Acceptable. Please see the following descriptions of each grade - also note that if an item falls under ANY of the criteria for a certain grade, even though the rest of the product is better, we will give it the lowest grade.
- Used Open Box An item in perfect working condition. Original protective wrapping may be missing, but the original packaging is intact and in good condition with minor damage possible. Instructions are included.
- Used Very Good A well-cared-for item with limited use, remains in good working condition. The item may show some limited signs of wear,small scratches,cosmetic blemishes. Item may arrive with damaged packaging or be repackaged and could be missing some accessories.
- Used Good The item shows wear from use, remains in good condition and functions properly. May have damaged packaging or be repackaged. It may be marked, have identifying markings on it, have minor cosmetic damage. It may be missing some parts or accessories.
- Used Acceptable The item is fairly worn but continues to function properly. While repackaged; signs of wear can include aesthetic issues; scratches, dents. The item may have markings on it or show signs of previous use. Item may be missing some parts or accessories.
- Have more questions? Call us, send us a chat, or an email. We'll be able to answer any additional questions you may have.