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DS18 PRO-X6.4MSQ (Pair)

1000W Peak (500W RMS) 6.5"x6.5" PRO-X Series Midrange Loudspeakers (Pair)

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1000W Peak (500W RMS) 6.5"x6.5" PRO-X Series Midrange Loudspeakers (Pair)

• 500 watts Peak Each, 250 watts RMS Each
• Glossy Red steel basket
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

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Fits your IS350C
List price $119.90
$116.30

In stock.

• 500 watts Peak Each, 250 watts RMS Each
• Glossy Red steel basket
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

Massive Audio MA6 (Sold Individually) (Pair, 2-Total)

560W Max (280W RMS) 6.5" Pro Audio Midrange Car Speaker (Pair)

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560W Max (280W RMS) 6.5" Pro Audio Midrange Car Speaker (Pair)

• 280W Max Each, 140W RMS Each
• Hand-Treated Hardened Paper Cone
• 8 ohm Impedance
• Sensitivity: 96dB
• Mounting Depth: 2.3"

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Fits your IS350C
2
List price $98.98
-29% $69.98

Available

Ships in 10-14 days

• 280W Max Each, 140W RMS Each
• Hand-Treated Hardened Paper Cone
• 8 ohm Impedance
• Sensitivity: 96dB
• Mounting Depth: 2.3"

Diamond Audio DES652 (2-Pairs, 4-Total)

480W Peak (240W RMS) 6.5" Elite Series 2-Way Coaxial Car Speakers (2-Pairs)

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480W Peak (240W RMS) 6.5" Elite Series 2-Way Coaxial Car Speakers (2-Pairs)

• 120 watts Peak Each, 60 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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Fits your IS350C
$459.98

Available

Ships in 10-14 days

• 120 watts Peak Each, 60 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

MB Quart QSE-216 (2-Pairs, 4-Total)

1440W Peak (680W RMS) 6.5" Q Series 2-way Component Speaker System (2-Pairs)

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1440W Peak (680W RMS) 6.5" Q Series 2-way Component Speaker System (2-Pairs)

• 360 watts Peak Each, 170 watts RMS Each
• 1" Titanium Dome Tweeters
• Polypropylene-Mica cone material
• Impedance: 4 ohm
• Sensitivity: 85.5 dB

Save 15% Off Package Deals at Checkout!
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Fits your IS350C
List price $2399.98
-17% $1,999.98

In stock.

• 360 watts Peak Each, 170 watts RMS Each
• 1" Titanium Dome Tweeters
• Polypropylene-Mica cone material
• Impedance: 4 ohm
• Sensitivity: 85.5 dB

Infinity REF607CF (2-Pairs, 4-Total)

1080W Peak (360W RMS) 6.5" Reference Series 2-way 4-ohm Component Speaker System (2-Pairs)

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1080W Peak (360W RMS) 6.5" Reference Series 2-way 4-ohm Component Speaker System (2-Pairs)

• 270 watts Peak Each, 90 watts RMS Each
• 3/4" Textile Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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Fits your IS350C
3
List price $499.90
-12% $439.90

In stock.

• 270 watts Peak Each, 90 watts RMS Each
• 3/4" Textile Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Diamond Audio MS65NEO (2-Pairs, 4-Total)

600W Peak (300W RMS) 6.5" MS Series Midrange Coaxial Car Speakers (2-Pairs)

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600W Peak (300W RMS) 6.5" MS Series Midrange Coaxial Car Speakers (2-Pairs)

• 300 watts Max Each, 150 watts RMS Each
• Tweeters
• Waterproof black Dupont Kevlar cone and dust cap
• Impedance: 4 ohm
• Sensitivity: 94 dB
• Mounting Depth: 2.78"

Save 15% Off Package Deals at Checkout!
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Fits your IS350C
1
$1,539.98

In stock.

• 300 watts Max Each, 150 watts RMS Each
• Tweeters
• Waterproof black Dupont Kevlar cone and dust cap
• Impedance: 4 ohm
• Sensitivity: 94 dB
• Mounting Depth: 2.78"

Diamond Audio HX653DI (2-Pairs, 4-Total)

600W Peak (300W RMS) 6.5" HEX Diamante Italia Series 3-Way Component Speaker System (2-Pairs)

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600W Peak (300W RMS) 6.5" HEX Diamante Italia Series 3-Way Component Speaker System (2-Pairs)

• 150 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Composite Bronze Fiberglass cone material
• Impedance: 3.3 ohm
• Sensitivity: 88.3 dB

Save 15% Off Package Deals at Checkout!
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Fits your IS350C
$2,639.98

In stock.

• 150 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Composite Bronze Fiberglass cone material
• Impedance: 3.3 ohm
• Sensitivity: 88.3 dB

Pioneer TS-D65C (2-Pairs, 4-Total)

1080W Peak (360W RMS) 6.5" D Series 2-way Component Speaker System (2-Pairs)

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1080W Peak (360W RMS) 6.5" D Series 2-way Component Speaker System (2-Pairs)

• 270 watts Peak Each, 90 watts RMS Each
• 1" Polyester Fiber Dome Tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB
• Mounting Depth: 2 5/8"

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Fits your IS350C
2
List price $500.00
-42% $289.00

Available

Ships in 10-14 days

• 270 watts Peak Each, 90 watts RMS Each
• 1" Polyester Fiber Dome Tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB
• Mounting Depth: 2 5/8"

DS18 PRO-GM6.4 (Pair)

960W Max (280W RMS) 6.5" 4-Ohm Mid-Range Car Audio Loudspeakers (Pair)

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960W Max (280W RMS) 6.5" 4-Ohm Mid-Range Car Audio Loudspeakers (Pair)

• 480 watts Peak Each, 140 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 2.5"

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Fits your IS350C
2
List price $67.90
$65.86

In stock.

• 480 watts Peak Each, 140 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 2.5"

Rockford Fosgate T-4652-S (T4652-S) (2-Pairs, 4-Total)

1200W Peak (600W RMS) 6.5" Power Series 2-way Component Speaker System (2-Pairs)

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1200W Peak (600W RMS) 6.5" Power Series 2-way Component Speaker System (2-Pairs)

• 300 watts Peak Each, 150 watts RMS Each
• Ring radiator 1" Liquid Crystal Polymer Dome Tweeters w/ aluminum phase plug
• Polymer cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Save 15% Off Package Deals at Checkout!
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Fits your IS350C
$2,799.98

Available

Ships in 10-14 days

• 300 watts Peak Each, 150 watts RMS Each
• Ring radiator 1" Liquid Crystal Polymer Dome Tweeters w/ aluminum phase plug
• Polymer cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Massive Audio M6XL (Pair, 2-Total)

800W Peak (400W RMS) 6.5" 8-Ohm Mid-range Speaker (Pair)

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800W Peak (400W RMS) 6.5" 8-Ohm Mid-range Speaker (Pair)

• 6.5" M Series Mid-Range Driver
• 400W Max • 200W RMS
• 8 ohm Impedance
• Reinforced Paper Cone
• Foam Edge Surround
• 27oz. Ferrite Magnet

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Fits your IS350C
List price $149.98
-33% $99.98

Available

Ships in 10-14 days

• 6.5" M Series Mid-Range Driver
• 400W Max • 200W RMS
• 8 ohm Impedance
• Reinforced Paper Cone
• Foam Edge Surround
• 27oz. Ferrite Magnet

JBL Arena X 36Be (2-Pairs, 4-Total)

800W Max (400W RMS) 6.5" Arena X Series 3 Way Component Speaker System (2-Pairs)

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800W Max (400W RMS) 6.5" Arena X Series 3 Way Component Speaker System (2-Pairs)

• 200 watts Peak Each, 100 watts RMS Each
• 1" Beryllium Cone Tweeters
• Carbon Fiber cone material
• die-cast aluminum woofer basket
• Sensitivity: 90 dB
• Mounting Depth: 2.81"

Save 15% Off Package Deals at Checkout!
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Fits your IS350C
List price $10999.90
-9% $9,999.90

Available

Ships in 10-14 days

• 200 watts Peak Each, 100 watts RMS Each
• 1" Beryllium Cone Tweeters
• Carbon Fiber cone material
• die-cast aluminum woofer basket
• Sensitivity: 90 dB
• Mounting Depth: 2.81"

Massive Audio MB6 (Pair, 2-Total)

600W Max (300W RMS) 6.5" Pro Audio Mid Bass Component Car Speakers (Pair)

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600W Max (300W RMS) 6.5" Pro Audio Mid Bass Component Car Speakers (Pair)

• 300W Max Each, 150W RMS Each
• Hand-Treated Hardened Paper Cone
• 8 ohm Impedance
• Sensitivity: 97dB
• Mounting Depth: 2.64"

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Fits your IS350C
List price $139.98
-21% $109.98

Available

Ships in 10-14 days

• 300W Max Each, 150W RMS Each
• Hand-Treated Hardened Paper Cone
• 8 ohm Impedance
• Sensitivity: 97dB
• Mounting Depth: 2.64"

Diamond Audio H65S (2-Pairs, 4-Total)

600W Peak (300W RMS) 6.5" HEX Series 2-Way Component Speaker System (2-Pairs)

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600W Peak (300W RMS) 6.5" HEX Series 2-Way Component Speaker System (2-Pairs)

• 150 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Anodized Aluminum cone material
• Impedance: 4 ohm
• Sensitivity: 88.3 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Fits your IS350C
$1,539.98

In stock.

• 150 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Anodized Aluminum cone material
• Impedance: 4 ohm
• Sensitivity: 88.3 dB

Lowest price in 30 days

Kenwood eXcelon XR-1801P (2-Pairs, 4-Total)

1320W Peak (480W RMS) 6.5" eXcelon Series 2 Way Component 3-ohm Speakers (2-Pairs)

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1320W Peak (480W RMS) 6.5" eXcelon Series 2 Way Component 3-ohm Speakers (2-Pairs)

• 330 watts Peak Each, 120 watts RMS Each
• 1-3/16" Titanium Hard Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 87 dB

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Fits your IS350C
List price $1060.00
-32% $718.00

Available

Ships in 10-14 days

• 330 watts Peak Each, 120 watts RMS Each
• 1-3/16" Titanium Hard Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 87 dB

Rockford Fosgate Power T3652-S (2-Pairs, 4-Total)

1000W Peak (500W RMS) 6.5" 2-Way T3 Power Series Component Speaker System (2-Pairs)

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1000W Peak (500W RMS) 6.5" 2-Way T3 Power Series Component Speaker System (2-Pairs)

• 250 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome Tweeters with neodymium motor
• LCP (Liquid Crystal Polymer) fiber cone cone material
• Impedance: 4 ohm
• Sensitivity: 87.5 dB

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Fits your IS350C
7
$2,599.98

Available

Ships in 10-14 days

• 250 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome Tweeters with neodymium motor
• LCP (Liquid Crystal Polymer) fiber cone cone material
• Impedance: 4 ohm
• Sensitivity: 87.5 dB

Hertz CK 165F (2-Pairs, 4-Total)

540W Peak (180W RMS) 6.5" Cento Series 2-Way Flat-profile Component Speaker system (2-Pairs)

CK165F_2 big
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540W Peak (180W RMS) 6.5" Cento Series 2-Way Flat-profile Component Speaker system (2-Pairs)

• 135 Watts Max Each, 45 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 93 dB

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Fits your IS350C
List price $960.00
-17% $799.98

Available

Ships in 10-14 days

• 135 Watts Max Each, 45 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 93 dB

Hertz MPK165P.3 (2-Pairs, 4-Total)

460W Peak (230W RMS) 6.5" Mille PRO Series 2-Way 3 Ohm Component speaker system (2-Pairs)

MPK165P3_2 big
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460W Peak (230W RMS) 6.5" Mille PRO Series 2-Way 3 Ohm Component speaker system (2-Pairs)

• 115 Watts Max Each, 55 Watts RMS Each
• Pressed-pulp cone with cotton fibers cone material
• Tetolon Tweeter Dome
• 3 Ohm Impedance
• Sensitivity: 93 dB

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Fits your IS350C
List price $1530.00
-15% $1,299.98

Available

Ships in 10-14 days

• 115 Watts Max Each, 55 Watts RMS Each
• Pressed-pulp cone with cotton fibers cone material
• Tetolon Tweeter Dome
• 3 Ohm Impedance
• Sensitivity: 93 dB

Diamond Audio H65A (2-Pairs, 4-Total)

600W Peak (300W RMS) 6.5" HEX Series 2-Way Component Speaker System (2-Pairs)

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600W Peak (300W RMS) 6.5" HEX Series 2-Way Component Speaker System (2-Pairs)

• 150 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Anodized Aluminum cone material
• Impedance: 4 ohm
• Sensitivity: 88.3 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Fits your IS350C
$1,539.98

In stock.

• 150 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Anodized Aluminum cone material
• Impedance: 4 ohm
• Sensitivity: 88.3 dB

Diamond Audio DES365C (2-Pairs, 4-Total)

560W Peak (280W RMS) 6.5" Elite Series 3-Way Component Speaker System (2-Pairs)

DES365C_2 big
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560W Peak (280W RMS) 6.5" Elite Series 3-Way Component Speaker System (2-Pairs)

• 140 watts Peak Each, 70 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Fits your IS350C
$1,099.98

In stock.

• 140 watts Peak Each, 70 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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    FAQ for Speakers in 2011 IS350C

    Q: Can I upgrade or change the Speakers in 2011 Lexus IS350C?

    A: Yes this page includes all the best Speakers that work in your IS350C.

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.