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Pioneer TS-G400 Car Speakers - Image 1
Pioneer TS-G400 Car Speakers - Image 2
PIONEER

Pioneer TS-G400 Car Speakers

$11.99across 10 retailers
Available at Amazon
View at Amazon
Lowest at any Popular Retailer
$11.99 at Best Buy
Price seen Oct 6, 2026

Where to Buy

Newest price seen: Oct 6, 2026
RetailerPriceLast seenBuy
Best Buy logo
Best Buy
15-day returns (in store too) · free return shipping · free shipping on $35+
$11.99Oct 6, 2026Buy Now
B
Branzoe Retail Outlet
$29.00Jun 4, 2025, may have changedBuy Now
J
Juniata Market
$38.99Jun 4, 2025, may have changedBuy Now
S
Shopping.com
$45.00Jun 4, 2025, may have changedBuy Now
O
Onlinecarstereo.com
$49.99Jun 4, 2025, may have changedBuy Now

Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026). Some products and categories have different terms, so check with the store before you buy.

Pros

  • •Provides excellent sound quality for a 4-inch size, delivering full-range audio and improved bass.
  • •Fits well in specific vehicles like a 2006 Scion xB and Jeep soundbar, after some adjustments.
  • •Offers significant sound enhancement over stock speakers, especially when paired with bass blockers and a subwoofer.
  • •Efficient with low wattage head units, performing well with only a 30w/ch output.
  • •Installation is generally easy, with supportive advice available for certain vehicle owners.
  • •Highly recommended for compact vehicle setups with notable sound performance improvements.

Cons

  • •May require mounting modifications and specific harnesses for proper installation.
  • •Low-mid end tweeter clarity can be lacking, necessitating equalization for better sound balance.
  • •High-end response and mids are poor, leading to difficulties hearing vocals and radio talk shows.
  • •Performance can be disappointing as a standalone solution without complementary equipment.
  • •Speaker grilles are not included, requiring reuse of old grilles for a tidy installation.

Bottom Line

The Pioneer TS-G400 G-Series 4" 2-Way Car Speakers, while presenting a challenge with installation and needing some complementary components like bass blockers and subwoofers for best performance, deliver impressive sound quality improvements over stock speakers. They are a great budget-friendly choice for vehicle owners looking to enhance audio experience in compact spaces, especially when paired with other audio upgrades.

Read full expert review

What Reviewers Are Saying

Praised
great sound quality30%
easy installation20%
Criticized
poor high end10%
muffled vocals10%
distorted at volume10%

Discussion

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