PIONEER 3.5" TS-A878 2-Way Car Speakers Pair

Pioneer TS-A878 3.5" 2-way coaxial speakers are compact replacements that deliver balanced midrange and smooth highs for clearer in-car audio. Upgrading factory car speakers can dramatically improve clarity, imaging and listening enjoyment without replacing the whole stereo. The Pioneer A-Series TS-A878 pair uses a 3.5" IMPP composite cone and a 25 mm hard-dome tweeter to expand the frequency reach and reduce distortion compared with typical stock units. They’re designed to fit many factory locations and perform well with modest power, making them a simple, cost-effective way to refine your vehicle’s soundstage.

How do these speakers improve sound over stock factory units?

The TS-A878 separates high and mid frequencies with a dedicated tweeter and a reinforced cone, so details and vocals come through more clearly. Their broader frequency response and higher sensitivity let them reproduce a wider range of music with less amplifier strain.

• 25 mm PEI hard-dome tweeter for crisp highs and improved clarity.
• 3.5" IMPP composite cone for controlled midrange and reduced cone flex.
• Frequency range from 60 Hz to 28 kHz for extended treble and fuller mids.
• 88 dB sensitivity gives louder output with limited power.

Can I install these myself, and what do I need to know?

Many users install the TS-A878 as DIY replacements when speaker cutouts and wiring match. Basic tools, correct mounting adapters, and attention to polarity are needed; professional installation is recommended if you’re unsure about vehicle wiring or fitment.

• Check speaker diameter and mounting depth before purchase.
• Use proper adapters or mounting brackets for secure fitment.
• Match positive/negative wiring to maintain correct phase and imaging.
• Consider damping material in door panels to reduce vibration and improve bass response.

What power and performance can I expect from these 3.5" speakers?

The pair handles 15 watts RMS each with 60 watts peak, suitable for factory head units and modest aftermarket amps. Expect responsive mids, clean treble, and good dynamic range at city-driving volumes; for deep bass or high-SPL playback, pair them with a dedicated woofer or subwoofer.

• 15 W continuous (RMS) per speaker for everyday listening.
• 60 W peak handling for brief louder passages without damage.
• 88 dB sensitivity helps deliver louder output from stock radios.
• Wide 60 Hz–28 kHz frequency response for detailed highs and solid mids.

Will these speakers work with my car stereo and system upgrades?

The TS-A878 is compatible with most factory radios and many aftermarket systems; their sensitivity and impedance make them forgiving with low-power head units. They also integrate well as part of a staged upgrade—use them for front imaging and add amplifiers or subs later for more power and low-frequency extension.

• Designed as direct replacements for many factory speaker locations.
• Works well with both factory radios and entry-level aftermarket decks.
• Good candidate for a front-stage upgrade in multi-component systems.
• Pair with a small amp for improved headroom and lower distortion.

Who is this for? If you want an affordable, compact upgrade over stock car speakers that improves vocal clarity, treble detail and overall balance without major modifications, the Pioneer TS-A878 pair is a strong choice. They suit commuters, casual listeners and DIY installers who need a reliable, space-saving speaker that plays clean at common listening levels. For bass-heavy enthusiasts or high-power audiophiles, consider adding a dedicated subwoofer or higher-power components later.

FAQ

Q: Are these speakers compatible with factory head units?

A: Yes. The TS-A878 pairs well with most factory radios thanks to 88 dB sensitivity and standard impedance, but verify mounting depth and wiring first.

Q: Do I need an amplifier to use these speakers?

A: No amplifier is required for normal listening; an amp improves headroom and lowers distortion at higher volumes.