The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.

Up to 199.99 watts (38)

200–399.99 watts (261)

400–799.99 watts (406)

800–1,199.99 watts (152)

1,200–1,999.99 watts (68)

2,000 watts or more (197)

Peak Power Handling

Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.

Up to 299.99 watts (6)

300–499.99 watts (55)

500–799.99 watts (159)

800–1,199.99 watts (186)

1,200–1,599.99 watts (177)

1,600–2,399.99 watts (172)

2,400 watts or more (250)

Series

Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.

Apocalypse Series (19)

W7 Anniversary Edition Series (12)

Prime Series (11)

R2 Series (11)

Solo-Baric L7S Series (11)

Solo-Baric L7T Series (11)

Punch P3 Series (10)

Reference Series (10)

TW3 Shallow Mount Series (9)

ZR Series (9)

55 Series (8)

CompVT Series (8)

Diamond Elite Series (8)

IXS Shallow Series (8)

Level 4 Series (8)

Mille Pro Series (8)

Nightshade (NS) Series (8)

SA Classic Series (8)

Hifonics Elite Series (7)

Solo-Baric L7R Series (7)

SoloXS L7XS Series (5)

Space Series (5)

Stage Series (5)

Terminator Series (5)

Punch P3 Shallow Mount Series (4)

TW5 Shallow Mount Series (4)

Solo-Baric L7 Series (3)

Earthquake DBXI Series (2)

Elite Series (2)

ES Series (2)

Excelon Reference Series (2)

Mille Legend Series (2)

Polk Audio MM1 Series (2)

Stroker Pro Series (2)

XMAXXX Monster Series (2)

Diamond Shallow Series (1)

GT Series (1)

GTX Series (1)

HF Series (1)

JackHammer Series (1)

Performance Series (1)

Primus Series (1)

Punch P2 Series (1)

S65 Series (1)

SPL Monster Series (1)

Tarantula T5 Series (1)

Subwoofer Size

Refers to the diameter of the subwoofer, measured in inches.

Shallow Mount Installation

This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.

No (900)

Yes (203)

Top-Mount Depth (Mounting Depth)

The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.

Voice Coil(s)

Dual voice coil subs have more wiring flexibility than single voice coils subs; however, single voice coil subwoofers provide easier hookup options for wiring multiple subwoofers in parallel or series. You may also run a dual voice coil (DVC) sub in parallel, series, or combination. A quad voice coil has four voice coils and is equal to two dual voice coil subwoofers as far as wiring goes.

Dual (2 voice coils) (854)

Single (1 voice coil) (265)

Triple (3 voice coils) (4)

Quad (4 voice coils) (1)

Impedance (Per Voice Coil)

The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.

Sort Impedance (Per Voice Coil) alphanumerically

Subwoofer Design

This is the design of the subwoofer or the opening of the subwoofer enclosure. Each design has it's own benefits, whether it is a square, circle, or oval.

Round/Circle: This is the typical and common subwoofer design. They have a round cone and are a circle in design.

Square: These woofers are able to achieve a greater cone area in a smaller space. Because of the greater surface area, some square subwoofers will be louder than a round subwoofer of the same size.

Round (1,062)

Square (62)

Oval (1)

Minimum Sealed Box Volume

This value indicates the minimum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.

Up to 0.99 cubic feet (243)

1–1.99 cubic feet (102)

2 cubic feet or more (17)

Maximum Sealed Box Volume

This value indicates the maximum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.

Up to 0.99 cubic feet (86)

1–1.99 cubic feet (135)

2 cubic feet or more (120)

Sensitivity

An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".

Main Cone Color

This is the color of the speaker's or subwoofer's cone.

Recommended Enclosure Type

This is the recommended type of enclosure that the subwoofer should be installed into. Some subwoofers are specially designed for particular enclosures.

Sealed: These enclosures completely enclose the air inside the box. These boxes produce a tight bass.

Ported/Vented: These enclosures have a slot of air to escape from the box. The result is a sound that has more "boom".

Bandpass: These are a combination of both sealed and ported enclosures. They can be very efficient, but require tuning for the best response.

Bandpass (17)

Ported / Vented (1,021)

Sealed (843)

Xmax (millimeters)

Typically measured in millimeters, the Xmax value is the measure of a speaker cone's maximum excursion in one direction while maintaining a linear behavior.

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Condition

Brand New (992)

Like New & Used (135)

Availability

In Stock (833)

Out of stock (144)

In stock. Ships from manufacturer (150)

Available to order (107)

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Rockford Fosgate Power T3 T3S1-19

6000W Peak (3000W RMS) 19" Power Series Single 1-ohm Super Car Subwoofer

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Rockford Fosgate Power T3 T3S1-19

6000W Peak (3000W RMS) 19" Power Series Single 1-ohm Super Car Subwoofer

• Peak Power: 6000 watts
• RMS Power: 3000 watts
• Impedance: Single 1 ohm
• Glass Fiber Cone
• Injection molded foam Surround
• Mount depth: 15.62"
• Sensitivity: 91 dB

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Kicker L7X122 (49L7X122)

2000W RMS 12" SoloX Series Dual 2-ohm Subwoofer

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Kicker L7X122 (49L7X122)

2000W RMS 12" SoloX Series Dual 2-ohm Subwoofer

• RMS Power: 1000 - 2000 watts
• Impedance: Dual 2 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 10-1/8"

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• RMS Power: 1000 - 2000 watts
• Impedance: Dual 2 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 10-1/8"

Sundown Audio M-10 D2 10" (M10D2)

4000W Peak (2000W RMS) 10" M Series Dual 2-ohm Car Subwoofer (SW-M10D2)

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Sundown Audio M-10 D2 10" (M10D2)

4000W Peak (2000W RMS) 10" M Series Dual 2-ohm Car Subwoofer (SW-M10D2)

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 2 ohm
• Polypropylene cone
• High Roll Foam surround
• Mount depth: 10.09"
• Sensitivity: 79.14 dB

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Deaf Bonce Apocalypse DB-SA272 D1

3000W Peak (1500W RMS) 12” Apocalypse Series Dual 1-ohm Car Subwoofer

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Deaf Bonce Apocalypse DB-SA272 D1

3000W Peak (1500W RMS) 12” Apocalypse Series Dual 1-ohm Car Subwoofer

• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 1 ohm
• Mount depth: 7.07"
• Sensitivity: 86.20 dB

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Kicker CWQ152 (51CWQ152)

2400W Peak (1200W RMS) 15" CompQ Series Dual 2-ohm Subwoofer

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Kicker CWQ152 (51CWQ152)

2400W Peak (1200W RMS) 15" CompQ Series Dual 2-ohm Subwoofer

• Peak Power: 2400 watts
• RMS Power: 1200 watts
• Impedance: Dual 2 ohm
• SoloKon Polypropylene Cone
• Blue-stitched Santoprene Rubber Surround
• Mount depth: 8-15/1"
• Sensitivity: 88 dB

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Sundown Audio M-15 D1 15" (M15D1)

4000W Peak (2000W RMS) 15" M Series Dual 1-ohm Car Subwoofer (SW-M15D1)

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Sundown Audio M-15 D1 15" (M15D1)

4000W Peak (2000W RMS) 15" M Series Dual 1-ohm Car Subwoofer (SW-M15D1)

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 1 ohm
• Polypropylene Cone
• High Roll Foam Surround
• Mount depth: 12.06"
• Sensitivity: 83.024 dB

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Sundown Audio Z-18 v.7 D2 18" (Z18V7D2)

7000W Peak (3500W RMS) 18" Z Series Dual 2-ohm Car Subwoofer (SW-ZV718D2)

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Sundown Audio Z-18 v.7 D2 18" (Z18V7D2)

7000W Peak (3500W RMS) 18" Z Series Dual 2-ohm Car Subwoofer (SW-ZV718D2)

• Peak Power: 7000 watts
• RMS Power: 3500 watts
• Impedance: Dual 2 ohm
• Treated Paper Cone
• Treated Foam Surround
• Sensitivity: 91.07 dB

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List price $1679.99

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JL Audio 12W1v3-4

300W RMS 12" W1v3 Series Single 4-ohm Car Subwoofer

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JL Audio 12W1v3-4

300W RMS 12" W1v3 Series Single 4-ohm Car Subwoofer

• RMS Power: 300 watts
• Impedance: Single 4 ohm
• Mica Injected Polypropylene - MIPP Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 5.41"
• Sensitivity: 86.1 dB

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Kicker L7S84 (44L7S84)

900W Peak (450W RMS) 8” Solo-Baric L7S Series Dual 4-ohm Subwoofer

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Kicker L7S84 (44L7S84)

900W Peak (450W RMS) 8” Solo-Baric L7S Series Dual 4-ohm Subwoofer

• Peak Power: 900 watts
• RMS Power: 450 watts
• Impedance: Dual 4 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 4-3/4"
• Sensitivity: 82.37 dB

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2026-06-28 23:59:00

List price $239.99

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-27% $175.96

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Alpine R2-W12D2 (Open Box, Great)

2250W Peak (750W RMS) 12" R2-Series Dual 2-ohm Car Subwoofer

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Alpine R2-W12D2 (Open Box, Great)

2250W Peak (750W RMS) 12" R2-Series Dual 2-ohm Car Subwoofer

• Peak Power: 2250 watts
• RMS Power: 750 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 6.43"
• Sensitivity: 85 dB

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JL Audio 10TW1-4

300W RMS 10" TW1 Series Single 4-ohm Shallow Subwoofer

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JL Audio 10TW1-4

300W RMS 10" TW1 Series Single 4-ohm Shallow Subwoofer

• RMS Power: 300 watts
• Impedance: Single 4 ohm
• Mica Injected Polypropylene - MIPP Cone
• Rubber Surround
• Mount depth: 4.36"
• Sensitivity: 82.2 dB

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Kicker CWR102 (48CWR102)

800W Peak (400W RMS) 10” CompR Series Dual 2-ohm Subwoofer

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Kicker CWR102 (48CWR102)

800W Peak (400W RMS) 10” CompR Series Dual 2-ohm Subwoofer

• Peak Power: 800 watts
• RMS Power: 200-400 watts
• Impedance: Dual 2 ohm
• Injection Molded Polypropylene cone
• Santoprene Rubber surround
• Mount depth: 5-1/4"
• Sensitivity: 84.6 dB

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2026-06-28 23:59:00

List price $189.99

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Hifonics Elite 8" (HEW8D2)

1200W Peak (600W RMS) 8" Hifonics Elite Series Dual 2-ohm Subwoofer

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Hifonics Elite 8" (HEW8D2)

1200W Peak (600W RMS) 8" Hifonics Elite Series Dual 2-ohm Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 2 ohm
• Polypropylene Cone
• Double Stitched Foam Surround
• Mount depth: 5.66"
• Sensitivity: 81.2 dB

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Alpine S2-W8D2

900W Peak (300W RMS) 8" S-Series Dual 2-ohm Car Subwoofer

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Alpine S2-W8D2

900W Peak (300W RMS) 8" S-Series Dual 2-ohm Car Subwoofer

• Peak Power: 900 watts
• RMS Power: 300 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Polypropylene Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 3.71"
• Sensitivity: 82.6 dB

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2026-07-15 23:59:00

List price $250.00

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-33% $167.95

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Sundown Audio SA-15 v.3 D2 15" (SA15V3D2)

3000W Peak (1500W RMS) 15" SA Series Dual 2-ohm Car Subwoofer (SAV315D2)

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Sundown Audio SA-15 v.3 D2 15" (SA15V3D2)

3000W Peak (1500W RMS) 15" SA Series Dual 2-ohm Car Subwoofer (SAV315D2)

• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Impedance: Dual 2 ohm
• Competition Grade Paper Cone
• Foam Surround
• Mount depth: 8.65"
• Sensitivity: 88.22 dB

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• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Impedance: Dual 2 ohm
• Competition Grade Paper Cone
• Foam Surround
• Mount depth: 8.65"
• Sensitivity: 88.22 dB

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Kicker L7S124 (44L7S124)

1500W Peak (750W RMS) 12” Solo-Baric L7S Series Dual 4-ohm Subwoofer

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Kicker L7S124 (44L7S124)

1500W Peak (750W RMS) 12” Solo-Baric L7S Series Dual 4-ohm Subwoofer

• Peak Power: 1500 watts
• RMS Power: 750 watts
• Injection Molded Polypropylene Cone
• Santoprene Rubber Surround
• Impedance: Dual 4 ohm
• Mount depth: 6 13/16"
• Sensitivity: 86.9 dB

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2026-06-28 23:59:00

List price $409.99

Save $106.03

-26% $303.96

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Kicker L7R154 (45L7R154)

1800W Peak (900W RMS) 15” Solo-Baric L7R Series Dual 4-ohm Subwoofer

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Kicker L7R154 (45L7R154)

1800W Peak (900W RMS) 15” Solo-Baric L7R Series Dual 4-ohm Subwoofer

• Peak Power: 1800 watts
• RMS Power: 900 watts
• Impedance: Dual 4 ohm
• Injection-molded SoloKon Cone
• Ribbed Santoprene Surround
• Mount depth: 8 3/8"
• Sensitivity: 88.05 dB

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2026-06-28 23:59:00

List price $399.99

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JL Audio 13TW5v2-2

600W 13.5" TW5v2 (Thin-Line) Series Single 2-ohm Subwoofer

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JL Audio 13TW5v2-2

600W 13.5" TW5v2 (Thin-Line) Series Single 2-ohm Subwoofer

• Mounting depth: 2.625 "
• Requires Only 0.8 Cubic Feet of Airspace
• Excellent linear excursion capability (xmax)
• Patented "floating cone attach method" technology
• Patented "concentric tube" architecture

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Alpine W10S4 BassLine (Pair)

Two 750W Max (250W RMS) 10" BassLine Series Single 4 ohm Car Subwoofers

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Alpine W10S4 BassLine (Pair)

Two 750W Max (250W RMS) 10" BassLine Series Single 4 ohm Car Subwoofers

• 750W Max
• 250W RMS
• Polypropylene-Mica cone
• High-excursion poly-foam surround
• High-strength custom steel frame
• Progressive Wavelit Ribs (P.W.R.) cone design

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• 750W Max
• 250W RMS
• Polypropylene-Mica cone
• High-excursion poly-foam surround
• High-strength custom steel frame
• Progressive Wavelit Ribs (P.W.R.) cone design

DS18 IXS12.2D

1600W Peak (800W RMS) 12" IXS Series Dual 2-ohm Shallow Car Subwoofer

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DS18 IXS12.2D

1600W Peak (800W RMS) 12" IXS Series Dual 2-ohm Shallow Car Subwoofer

• Peak Power: 1600 watts
• RMS Power: 800 watts
• Impedance: Dual 2 ohm
• Paper Cone
• Rubber Surround
• Mount depth: 4.33"
• Sensitivity: 85 dB

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Q: Can I upgrade or change the Universal Subwoofers in 1978 GMC G Series?

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Universal Subwoofers for 1978 GMC G Series

Rockford Fosgate Power T3 T3S1-19

Rockford Fosgate Power T3 T3S1-19

Kicker L7X122 (49L7X122)

Kicker L7X122 (49L7X122)

Sundown Audio M-10 D2 10" (M10D2)

Sundown Audio M-10 D2 10" (M10D2)

Deaf Bonce Apocalypse DB-SA272 D1

Deaf Bonce Apocalypse DB-SA272 D1

Kicker CWQ152 (51CWQ152)

Kicker CWQ152 (51CWQ152)

Sundown Audio M-15 D1 15" (M15D1)

Sundown Audio M-15 D1 15" (M15D1)

Sundown Audio Z-18 v.7 D2 18" (Z18V7D2)

Sundown Audio Z-18 v.7 D2 18" (Z18V7D2)

JL Audio 12W1v3-4

JL Audio 12W1v3-4

Kicker L7S84 (44L7S84)

Kicker L7S84 (44L7S84)

Alpine R2-W12D2 (Open Box, Great)

Alpine R2-W12D2 (Open Box, Great)

JL Audio 10TW1-4

JL Audio 10TW1-4

Kicker CWR102 (48CWR102)

Kicker CWR102 (48CWR102)

Hifonics Elite 8" (HEW8D2)

Hifonics Elite 8" (HEW8D2)

Alpine S2-W8D2

Alpine S2-W8D2

Sundown Audio SA-15 v.3 D2 15" (SA15V3D2)

Sundown Audio SA-15 v.3 D2 15" (SA15V3D2)

Kicker L7S124 (44L7S124)

Kicker L7S124 (44L7S124)

Kicker L7R154 (45L7R154)

Kicker L7R154 (45L7R154)

JL Audio 13TW5v2-2

JL Audio 13TW5v2-2

Alpine W10S4 BassLine (Pair)

Alpine W10S4 BassLine (Pair)

DS18 IXS12.2D

DS18 IXS12.2D

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