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Rockford Fosgate Punch P152-S

240W Peak (120W RMS) 5.52" Punch Series 2-Way Component Speaker System

Save $25 off Speaker Installation Accessories, Use Code: ACC25
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240W Peak (120W RMS) 5.52" Punch Series 2-Way Component Speaker System

• 120 watts Peak Each, 60 watts RMS Each
• 3/4" Aluminum Dome Tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohms
• Sensitivity: 86 dB

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FREE 2-day shipping to VA. Get it Thu, Sept. 28
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Save $25 off Speaker Installation Accessories, Use Code: ACC25
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner
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VIP Product Get $15.00 in rewards to spend later

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Infinity Reference 5032cfx (REF-5032cfx)

270W Max (90W RMS) 5.25" Reference 2-Way Coaxial Car Speakers

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270W Max (90W RMS) 5.25" Reference 2-Way Coaxial Car Speakers

• 135 Watts Max Each, 45 Watts RMS Each
• Edge-Driven Textile Tweeter
• Plus One Polypropylene Oversized Cone
• 3 ohms Impedance
• Sensitivity: 92dB
• Mounting Depth: 1-15/16"

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FREE 2-day shipping to VA. Get it Thu, Sept. 28
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner

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Was $130.00 Details
$82.95 /pair

In stock

Rockford Fosgate Prime R14X2

120W Peak (60W RMS) 4” Prime Series 2-way Coaxial Car Speaker

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120W Peak (60W RMS) 4” Prime Series 2-way Coaxial Car Speaker

• 60 watts Peak Each, 30 watts RMS Each
• 1/2" Silk Dome Tweeters
• Vacuum Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 85 dB

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FREE 2-day shipping to VA. Get it Thu, Sept. 28
found car based on your search
Fits multiple locations in your 1973 850
  • Dash Corner
  • Front Door

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JL Audio C2-525x

(450W Max) Evolution C2 Series 5.25" 2-Way Coaxial Car Speakers

Save $25 off Speaker Installation Accessories, Use Code: ACC25
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(450W Max) Evolution C2 Series 5.25" 2-Way Coaxial Car Speakers

• Peak Power: 225 watts each
• RMS Power: 60 watts each
• 0.75" Silk Dome Tweeter
• Injection Molded, Mica-filled Polypropylene Cone
• Top-mount depth: 2.50"
• 4 Ohms Impedance
• Sensitivity: 89.0 dB @ 1 watt / 1 meter

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FREE 2-day shipping to VA. Get it Thu, Sept. 28
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Save $25 off Speaker Installation Accessories, Use Code: ACC25
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner
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VIP Product Get $25.00 in rewards to spend later

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Was $279.99 Details
$249.99 /pair

In stock

DS18 ZXI-44

300W Peak (100W RMS) 4" ZXi series 2-Way Coaxial Car Speakers

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300W Peak (100W RMS) 4" ZXi series 2-Way Coaxial Car Speakers

• 150 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Glass Fiber cone material
• Impedance: 4 ohms
• Sensitivity: 88 dB

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FREE 2-day shipping to VA. Get it Thu, Sept. 28
found car based on your search
Fits multiple locations in your 1973 850
  • Dash Corner
  • Front Door

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$66.95 /pair

In stock

Only 1 Left!

JL Audio C1-525x (C1525x)

450W Peak (100W RMS) C1 5.25" 2-Way Coaxial Car Speakers

Save $25 off Speaker Installation Accessories, Use Code: ACC25
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450W Peak (100W RMS) C1 5.25" 2-Way Coaxial Car Speakers

• 225 Watts Max Each, 50 Watts RMS Each
• 3/4" Aluminum Dome Tweeter
• Mineral-Filled Polypropylene Cone
• 4 Ohms Impedance
• Sensitivity: 89 dB
• Mounting Depth: 2.42"

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FREE 2-day shipping to VA. Get it Thu, Sept. 28
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Save $25 off Speaker Installation Accessories, Use Code: ACC25
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner
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VIP Product Get $12.00 in rewards to spend later

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4
Was $129.99 Details
$119.99 /pair

In stock

JBL GT7-5C

270W Peak (90W RMS) 5-1/4" 2-Way GT7-Series Component Speaker System

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270W Peak (90W RMS) 5-1/4" 2-Way GT7-Series Component Speaker System

• Peak Power: 135W
• RMS Power: 45W
• 1-3/16" PEI Edge Driven Dome Tweeter
• Mounting Depth: 2-5/16"
• Polypropylene Plus One™ Cone and Foam Surround

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FREE 2-day shipping to VA. Get it Thu, Sept. 28
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner
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VIP Product Get $8.00 in rewards to spend later

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2
Was $149.95 Details
$79.95 /set

In stock

JL Audio C1-400x

210W Max (70W RMS) 4" C1 Series 2-Way Coaxial Car Speakers

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210W Max (70W RMS) 4" C1 Series 2-Way Coaxial Car Speakers

• 105 Watts Max Each, 35 Watts RMS Each
• .75" Edge-Driven Aluminum Dome Tweeter
• Mica-Filled Injection-Molded Polypropylene Cone
• 4 Ohms Impedance
• Sensitivity: 84.5 dB
• Mounting Depth: 1.81"

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FREE 2-day shipping to VA. Get it Thu, Sept. 28
found car based on your search
Fits multiple locations in your 1973 850
  • Dash Corner
  • Front Door
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VIP Product Get $10.00 in rewards to spend later

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Limited time!

Kicker CSC54 (46CSC54)

225W Peak (75W RMS) 5.25” CS Series Coaxial Speakers with PEI Tweeters

Price Drop, Instant Savings Already Applied!
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225W Peak (75W RMS) 5.25” CS Series Coaxial Speakers with PEI Tweeters

• 112.5 watts Max Each, 37.5 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 90 dB
• Mounting Depth: 1/4"

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FREE 2-day shipping to VA. Get it Thu, Sept. 28
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Price Drop, Instant Savings Already Applied!
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner
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VIP Product Get $8.10 in rewards to spend later

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Was $99.99 Details
Save $19.03
$80.96 /pair

In stock

Pioneer TS-G1320S

500W Max (70W RMS) 5.25" G-Series 2-Way Coaxial Car Speakers

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500W Max (70W RMS) 5.25" G-Series 2-Way Coaxial Car Speakers

• 250W Max Each, 70W RMS Each
• 1-3/16 Balanced Dome Tweeter
• Injection Molded Polypropylene with Mica Cone
• 4 ohms Impedance
• Sensitivity: 88dB
• Mounting Depth: 1-3/4"

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FREE 2-day shipping to VA. Get it Thu, Sept. 28
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner

empty

5
Was $65.00 Details
$60.00 /pair

In stock

Cerwin Vega XED525C

600W Peak (60W RMS) 5.25” XED Series 2-Way Component Speakers

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600W Peak (60W RMS) 5.25” XED Series 2-Way Component Speakers

• 300 watts Peak Each, 30 watts RMS Each
• 1" Metallic Balanced Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 94 dB

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Fast 2-day shipping to VA. Get it Thu, Sept. 28
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner

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Limited time!

Alpine S2-S40C

280W Peak (90W RMS) 4" Next-Generation S-Series 2-way Component Speaker System

Price Drop, Instant Savings Already Applied!
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280W Peak (90W RMS) 4" Next-Generation S-Series 2-way Component Speaker System

• 140 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 88 dB

shipping truck icon
FREE 2-day shipping to VA. Get it Thu, Sept. 28
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Price Drop, Instant Savings Already Applied!
found car based on your search
Fits multiple locations in your 1973 850
  • Dash Corner
  • Front Door
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VIP Product Get $10.40 in rewards to spend later

empty

Was $160.00 Details
Save $56.04
$103.96 /set

In stock

• 140 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 88 dB

Diamond Audio MP525

300W Max (150W RMS) 5.25" PRO Full-Range Coaxial Horn Driver Speakers

Save 20% at Checkout with Code: Fall20
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300W Max (150W RMS) 5.25" PRO Full-Range Coaxial Horn Driver Speakers

• 150 watts Max Each, 75 watts RMS Each
• 1" Aluminum Horn Tweeters
• Sensitivity: 101 dB
• Mounting Depth: 2.99"

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FREE 2-day shipping to VA. Get it Thu, Sept. 28
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Save 20% at Checkout with Code: Fall20
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner

empty

Was $439.99 Details
$399.99 /pair

In stock

Only 2 Left!

Autotek ATS525CX

250W 5-1/4" 2-Way ATS Series Coaxial Car Speakers

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250W 5-1/4" 2-Way ATS Series Coaxial Car Speakers

• 250 Watts Max, 125 Watts RMS
• Neo-Mylar Soft Dome Tweeter
• Mounting Depth: 2-5/16"
• Polypropylene Cones
• 4 Ohms Impedance
• Sensitivity: 89dB

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Fast 2-day shipping to VA. Get it Thu, Sept. 28
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner

empty

Hifonics ZS525CX

400W Peak (60W RMS) 5.25” Zeus Series Coaxial 2-way Car Speakers

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400W Peak (60W RMS) 5.25” Zeus Series Coaxial 2-way Car Speakers

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohms Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

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Fast 2-day shipping to VA. Get it Thu, Sept. 28
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner

empty

5
Was $44.99 Details
$21.95 /pair

In stock

Only 3 Left!

DS18 EXL-SQ5.25

680W Peak (160W RMS) 5.25" EXL-SQ Series 2-Way Coaxial Car Speakers

Save 20% at Checkout with Code: Fall20
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680W Peak (160W RMS) 5.25" EXL-SQ Series 2-Way Coaxial Car Speakers

• 340 watts Peak Each, 80 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohms
• Sensitivity: 86 dB

shipping truck icon
FREE 2-day shipping to VA. Get it Thu, Sept. 28
install icon
Save 20% at Checkout with Code: Fall20
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner

empty

$119.95 /pair

In stock

Only 1 Left!

Cerwin Vega H752

500W Peak (80W RMS) 5.25” HED Series Coaxial Car Speakers

Save 10% at Checkout with Code: Fall10
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500W Peak (80W RMS) 5.25” HED Series Coaxial Car Speakers

• 275 watts Peak Each, 40 watts RMS Each
• 1" Polypropylene Balanced Dome Tweeters
• Graphite Reinforced Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 93 dB

shipping truck icon
FREE 2-day shipping to VA. Get it Thu, Sept. 28
install icon
Save 10% at Checkout with Code: Fall10
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner

empty

Kicker KSC504 (47KSC504)

300W Peak (150W RMS) 5.25” KS Speaker Series 2-Way Coaxial Car Speakers

Save $25 off Speaker Installation Accessories, Use Code: ACC25
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300W Peak (150W RMS) 5.25” KS Speaker Series 2-Way Coaxial Car Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 90 dB

shipping truck icon
FREE 2-day shipping to VA. Get it Thu, Sept. 28
install icon
Save $25 off Speaker Installation Accessories, Use Code: ACC25
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner
Dollar Icon

VIP Product Get $13.00 in rewards to spend later

empty

Was $149.99 Details
$129.99 /pair

In stock

JBL STAGE2 524 (STAGE2524)

420W Peak (70W RMS) 5.25" Stage2 Series 2-way Coaxial Car Speakers

Save 15% at Checkout with Code: Fall15
STAGE2524 main
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420W Peak (70W RMS) 5.25" Stage2 Series 2-way Coaxial Car Speakers

• 210 watts Peak Each, 35 watts RMS Each
• PEI (Polyetherimide) Balanced Dome Tweeters
• Injection Molded Polypropylene - IMPP cone material
• Impedance: 4 ohms
• Sensitivity: 90 dB

shipping truck icon
FREE 2-day shipping to VA. Get it Thu, Sept. 28
install icon
Save 15% at Checkout with Code: Fall15
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner

empty

Was $89.99 Details
$49.99 /pair

In stock

• 210 watts Peak Each, 35 watts RMS Each
• PEI (Polyetherimide) Balanced Dome Tweeters
• Injection Molded Polypropylene - IMPP cone material
• Impedance: 4 ohms
• Sensitivity: 90 dB

Cerwin Vega XED52

550W Peak (60W RMS) 5.25" XED Series 2-Way Coaxial Car Speakers

XED52 main
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550W Peak (60W RMS) 5.25" XED Series 2-Way Coaxial Car Speakers

• 275 watts Peak Each, 30 watts RMS Each
• 1" Metallic Balanced Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 94 dB

shipping truck icon
Fast 2-day shipping to VA. Get it Thu, Sept. 28
found car based on your search
Fits the following location in your 1973 850
  • Rear Deck Corner

empty

4
Was $36.99 Details
$34.99 /pair

In stock

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    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.
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    FAQ for your 1973 850

    Q: Can I upgrade the factory stereo system in my 1973 Fiat 850?

    A: Yes you can improve your sound in your 850 by upgrading your speakers and/or adding an amplifier. You may also be able to update the stereo and main display in your 1973 850 if there is a dash kit and harness solution available.

    1973 Fiat 850

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