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Sundown Audio SW-SAV215D4 + NVX XCA3K

1 pair 2500W Peak (1250W RMS) 15" SA Series Dual 4-ohm Subwoofer with Monoblock Amplifier with LED Remote Bass Knob

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• Peak Power: 2500 watts
• RMS Power: 1250 watts
• Impedance: Dual 4 ohm
• Competition Grade Paper cone
• Foam surround
• Mount depth: 8.65"
• Includes 1 pair of Subwoofer with amplifier

• Sensitivity: 87.08 dB

Learn more about the sav215d4_xca3k
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List price $2063.97
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Specifications & Details


Amplifier Power Specifications
RMS Power @ 4 ohms
1000 watts x 1 channel
RMS Power @ 2 ohms
2000 watts x 1 channel
RMS Power @ 1 ohm
3000 watts x 1 channel
Amplifier Specifications
Amplifier Class
D
Number of Channels
1 - Mono
Total Peak Power Output
6000 watts
Total RMS Power Output
3000 watts
Maximum Input Gauge Size
1/0 AWG
Minimum Impedance Unbridged
1 ohm
THD at Rated RMS Power
<0.1%
Speaker Level Inputs
No
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
Subsonic
Low-Pass Crossover Frequency
35 - 250 Hz
Subsonic Filter
10 - 50 Hz
Signal-to-Noise Ratio
91 dB
Remote bass/level controller
Yes
Subwoofer Specifications
Series
XC-Series
Subwoofer Size
15"
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
RMS Power Handling
1250 watts
Peak Power Handling
2500 watts
Woofer Surround
Foam
Woofer Composition
Competition Grade Paper
Sensitivity
87.08 dB
Frequency Response
10 - 250 Hz
Xmax (millimeters)
19 mm
Top-Mount Depth (Mounting Depth)
8.65"
Cutout Diameter
14.01"
Recommended Enclosure Type
Ported / Vented
Sealed
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SAV215D4_XCA3K

Weight:

97.80lbs

Internal SKU:

sav215d4_xca3k

Internal Product ID:

226584

Customer Ratings & Reviews


Sundown Audio SW-SAV215D4 + NVX XCA3K thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
4.7
Features
5
Design
5
Usability
5

Customer Reviews

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The following review is for SW-SAV215D4, which is a part of the bundle you are viewing.
By Daniel on April 29, 2026 Checkmark Icon Verified purchase


Beast of an amp

The following review is for XCA3K, which is a part of the bundle you are viewing.

This amp is a powerhouse. Just make sure you have the power to run it. I added a 250 amp alternator, big 3 wiring upgrade, and added x2 extra batteries and I still get voltage drop when the bass hits. Although it's above 12 v ( drops from 14.4 to 14 down to 13.3, sometimes lower, depending on the track. Super sleek design, the bass knob looks sleek as well. Excellent Korean amplifier. This amp caps off and showcases my all nvx build beautifully.

By James on April 21, 2026 Checkmark Icon Verified purchase


This amp is a beast

The following review is for XCA3K, which is a part of the bundle you are viewing.

Highly underrated (so be careful), great looking, great sounding amplifier for your 3k ... or even 5 k needs (check the dyno video). I'm thoroughly impressed by it especially with the clarity and power. NVX has been my GO TO brand since I came across them and this amp is no disappointment regardless of what you put it up against.

By Marcus on August 22, 2025 Checkmark Icon Verified purchase




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