Garage
Shop

Your Vehicle


Checkmark Icon
Fits select locations in your 1991 RX-7
Add vehicle details to confirm exact location or Update vehicle.

Update vehicle | Remove vehicle | Vehicle store

Shop by Category


Products in these categories contain items that carry a guarantee to fit your Mazda RX-7 (change vehicle)

Top sellers

Loading...
Filters
filter-icon Filters & Sort

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

840W Peak (280W RMS) 6.5" Cento Series Mid-Bass Woofer (2-Pairs)

C165F_2 big
Go to item page Right Arrow Icon of Right Arrow

840W Peak (280W RMS) 6.5" Cento Series Mid-Bass Woofer (2-Pairs)

• 210 watts Peak Each, 70 watts RMS Each
• Semi-Pressed paper with Mica cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your RX-7.
Add vehicle details to confirm exact location.
List price $460.00
-13% $399.98

In stock

• 210 watts Peak Each, 70 watts RMS Each
• Semi-Pressed paper with Mica cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Hertz CX 130 (2-Pairs, 4-Total)

600W Peak (200W RMS) 5.25" Cento Series 2-Way Coaxial Car Speakers (2-Pairs)

CX130_2 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 5.25" Cento Series 2-Way Coaxial Car Speakers (2-Pairs)

• 150 watts Peak Each, 50 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• cone material
• Impedance: 4 ohm
• Sensitivity: 92.5 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your RX-7.
Add vehicle details to confirm exact location.
List price $520.00
$499.98

In stock

Only 2 Left!

• 150 watts Peak Each, 50 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• cone material
• Impedance: 4 ohm
• Sensitivity: 92.5 dB

Hertz K 165 (2-Pairs, 4-Total)

600W Peak (150W RMS) 6.5" Uno Series 2-Way 4 ohm Component Speaker System (2-Pairs)

K165_2 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (150W RMS) 6.5" Uno Series 2-Way 4 ohm Component Speaker System (2-Pairs)

• 150 Watts Max Each, 35 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 93.5 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your RX-7.
Add vehicle details to confirm exact location.
4
List price $300.00
-33% $199.98

In stock

Only 1 Left!

• 150 Watts Max Each, 35 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 93.5 dB

Hertz DCX100.3 (2-Pairs, 4-Total)

240W Peak (120W RMS) 4" Dieci Series 2-Way Coaxial Car Speakers (2-Pairs)

DCX1003_2 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (120W RMS) 4" Dieci Series 2-Way Coaxial Car Speakers (2-Pairs)

• 30 Watts Max Each, 15 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI dome tweeter
• 4 Ohm Impedance
• Sensitivity: 92 dB
• Mounting Depth: 1-3/4"

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
Fits select models only.
Add details to confirm fitment.
2
List price $300.00
-13% $259.98

In stock

• 30 Watts Max Each, 15 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI dome tweeter
• 4 Ohm Impedance
• Sensitivity: 92 dB
• Mounting Depth: 1-3/4"

Hertz CX 100 (2-Pairs, 4-Total)

480W Peak (160W RMS) 4" Cento Series 2-Way Coaxial Car Speakers (2-Pairs)

CX100_2 big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (160W RMS) 4" Cento Series 2-Way Coaxial Car Speakers (2-Pairs)

• 120 watts Peak Each, 40 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• Semi-Pressed Paper + Mica cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
Fits select models only.
Add details to confirm fitment.
4
List price $520.00
$499.98

In stock

Only 3 Left!

• 120 watts Peak Each, 40 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• Semi-Pressed Paper + Mica cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Hertz CX 165 (2-Pairs, 4-Total)

840W Peak (280W RMS) 6.5" Cento Series 2-Way Coaxial Car Speakers (2-Pairs)

CX165_2 big
Go to item page Right Arrow Icon of Right Arrow

840W Peak (280W RMS) 6.5" Cento Series 2-Way Coaxial Car Speakers (2-Pairs)

• 210 watts Peak Each, 70 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• Semi-pressed paper+ Mica cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your RX-7.
Add vehicle details to confirm exact location.
2
List price $520.00
$499.98

In stock

Only 3 Left!

• 210 watts Peak Each, 70 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• Semi-pressed paper+ Mica cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Hertz X 170 (2-Pairs, 4-Total)

800W Peak (200W RMS) Uno Series 6.75” 2-Way Coaxial Speakers (2-Pairs)

X170_2 big
Go to item page Right Arrow Icon of Right Arrow

800W Peak (200W RMS) Uno Series 6.75” 2-Way Coaxial Speakers (2-Pairs)

• 200 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93.5 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your RX-7.
Add vehicle details to confirm exact location.
List price $190.00
-16% $159.98

In stock

Only 1 Left!

• 200 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93.5 dB

Hertz SX 165 NEO (2-Pairs, 4-Total)

800W Peak (400W RMS) 6.5" SPL Show Series 2-way Car Speakers for SPL Competition (2-Pairs)

SX165NEO_2 big
Go to item page Right Arrow Icon of Right Arrow

800W Peak (400W RMS) 6.5" SPL Show Series 2-way Car Speakers for SPL Competition (2-Pairs)

• 200 watts Max Each, 100 watts RMS Each
• 1.1 PEI (Polyetherimide) Dome Tweeters
• Water repellent pressed paper cone material
• Impedance: 4 ohm
• Sensitivity: 96.5 dB
• Mounting Depth: 2-1/4"

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your RX-7.
Add vehicle details to confirm exact location.
8
List price $960.00
-6% $899.98

In stock

• 200 watts Max Each, 100 watts RMS Each
• 1.1 PEI (Polyetherimide) Dome Tweeters
• Water repellent pressed paper cone material
• Impedance: 4 ohm
• Sensitivity: 96.5 dB
• Mounting Depth: 2-1/4"

Hertz CPK 165 (2-Pairs, 4-Total)

1260W Peak (420W RMS) 6.5" Cento Series 2-Way Component Speaker System (2-Pairs)

CPK165_2 big
Go to item page Right Arrow Icon of Right Arrow

1260W Peak (420W RMS) 6.5" Cento Series 2-Way Component Speaker System (2-Pairs)

• 315 watts Peak Each, 105 watts RMS Each
• 1-1/8" Tetolon Dome Tweeters
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92.5 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your RX-7.
Add vehicle details to confirm exact location.
1
List price $1200.00
-17% $999.98

In stock

Only 2 Left!

• 315 watts Peak Each, 105 watts RMS Each
• 1-1/8" Tetolon Dome Tweeters
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92.5 dB

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

600W Peak (200W RMS) 6.5" Cento Series 2-Way Component Speaker system (2-Pairs)

CK165L_2 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6.5" Cento Series 2-Way Component Speaker system (2-Pairs)

• 150 Watts Max Each, 50 Watts RMS Each
•Non Pressed Paper cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your RX-7.
Add vehicle details to confirm exact location.
2
List price $920.00
-13% $799.98

In stock

Only 1 Left!

• 150 Watts Max Each, 50 Watts RMS Each
•Non Pressed Paper cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92 dB

Hertz CX 130 with Speaker Installation Kit

6.5" Cento Series 2-Way Component Speaker system

CPK 165, SDSK2, FRING65 big
Go to item page Right Arrow Icon of Right Arrow

6.5" Cento Series 2-Way Component Speaker system

• 160 Watts Max Each, 55 Watts RMS Each
•Pressed-paper cone cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92.5 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
93
List price $638.73
-22% $499.99 /set

In stock

• 160 Watts Max Each, 55 Watts RMS Each
•Pressed-paper cone cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92.5 dB

Hertz MPK1650.3 (2-Pairs, 4-Total)

500W Peak (250W RMS) 6.5" Mille PRO Series 2-Way 3 Ohm Component speaker system (2-Pairs)

MPK16503_2 big
Go to item page Right Arrow Icon of Right Arrow

500W Peak (250W RMS) 6.5" Mille PRO Series 2-Way 3 Ohm Component speaker system (2-Pairs)

• 125 Watts Max Each, 25 Watts RMS Each
• Pressed-pulp cone with cotton fibers cone material
• Tetolon Tweeter Dome
• 3 Ohm Impedance
• Sensitivity: 93 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your RX-7.
Add vehicle details to confirm exact location.
1
List price $1880.00
-15% $1,599.98

In stock

Only 1 Left!

• 125 Watts Max Each, 25 Watts RMS Each
• Pressed-pulp cone with cotton fibers cone material
• Tetolon Tweeter Dome
• 3 Ohm Impedance
• Sensitivity: 93 dB

Hertz MPK165.3 with Speaker Installation Kit

6.5" Mille PRO Series 2-Way 4 Ohm Component speaker system

MPK165.3, SDSK2, FRING65, SDRLR1 big
Go to item page Right Arrow Icon of Right Arrow

6.5" Mille PRO Series 2-Way 4 Ohm Component speaker system

• 110 Watts Max Each, 55 Watts RMS Each
• Pressed-pulp cone with cotton fibers cone material
• Tetolon Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 92 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
186
List price $777.71
-18% $640.53 /set

In stock

Only 1 Left!

• 110 Watts Max Each, 55 Watts RMS Each
• Pressed-pulp cone with cotton fibers cone material
• Tetolon Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 92 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
Go to item page Right Arrow Icon of Right Arrow

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

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your RX-7.
Add vehicle details to confirm exact location.
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 CK 130 (2-Pairs, 4-Total)

420W Peak (140W RMS) 5.25" Cento Series 2-Way Component Speaker system (2-Pairs)

CK130_2 big
Go to item page Right Arrow Icon of Right Arrow

420W Peak (140W RMS) 5.25" Cento Series 2-Way Component Speaker system (2-Pairs)

• 105 Watts Max Each, 35 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92.5 dB
• Mounting Depth: 2"

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your RX-7.
Add vehicle details to confirm exact location.
List price $960.00
-17% $799.98

Available

Ships in 10-14 days

• 105 Watts Max Each, 35 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92.5 dB
• Mounting Depth: 2"

Hertz CK 165F with Speaker Installation Kit

6.5" Cento Series 2-Way Flat-profile Component Speaker system

CK 165F, SDSK2, FRING65 big
Go to item page Right Arrow Icon of Right Arrow

6.5" Cento Series 2-Way Flat-profile Component Speaker system

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

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
92
List price $518.73
-23% $399.99 /set

In stock.

• 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
Go to item page Right Arrow Icon of Right Arrow

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

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your RX-7.
Add vehicle details to confirm exact location.
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

Hertz ST 25A NEO

200W Peak 1.8" NEO Series 4-ohm High-Efficiency Compression Bullet Driver

ST 25A NEO big
Go to item page Right Arrow Icon of Right Arrow

200W Peak 1.8" NEO Series 4-ohm High-Efficiency Compression Bullet Driver

• 1.8" NEO Series Pro-Audio Bullet Tweeters
• 100 watts Peak Each
• RMS Each
• 4 ohm Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $40.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $470.00
-15% $399.99

In stock

Only 1 Left!

• 1.8" NEO Series Pro-Audio Bullet Tweeters
• 100 watts Peak Each
• RMS Each
• 4 ohm Impedance

Hertz HMX 6.5-TC

300W Peak (150W RMS) 6.5" HMX Series 2 Way Coaxial 4-ohm Marine Speakers (Black)

HMX 6.5-TC big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 6.5" HMX Series 2 Way Coaxial 4-ohm Marine Speakers (Black)

• 150 watts Peak Each, 75 watts RMS Each
• 1.4" PEI (Polyetherimide) Dome tweeters
• UV-Resistant Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Mounting Depth: 2.72"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $38.00 in rewards to spend later

List price $440.00
-14% $379.99 /pair

Available

Ships in 10-14 days

Hertz HMX 8 S-LD-G

200W Peak (100W RMS) 8" HMX Series Coaxial 4-ohm Marine Speakers with RGB LED Illumination (Gray)

HMX 8 S-LD-G big
Go to item page Right Arrow Icon of Right Arrow

200W Peak (100W RMS) 8" HMX Series Coaxial 4-ohm Marine Speakers with RGB LED Illumination (Gray)

• 200 watts Peak Each, 100 watts RMS Each
• 1.4" PEI (Polyetherimide) Dome t
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB
• Mounting Depth: 3.58"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $68.00 in rewards to spend later

List price $790.00
-14% $679.99 /pair

Available

Ships in 10-14 days

Items per page: 20

    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    1991 Mazda RX-7

    2005 Ford Freestyle

    1977 BMW 530i

    1986 Mazda B2000

    2000 GMC K2500

    1982 Chevrolet Cavalier

    2010 Lexus IS350C

    2007 Jaguar XK

    1992 Geo Metro

    2017 Hyundai Ioniq EV

    Vehicle
    Store
    Delete

    1997 Harley Davidson FLHTC Electra Glide Classic

    Vehicle
    Store
    Delete

    2016 Can-Am Defender DPS HD8

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    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
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.