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The Pioneer P.R.O. Series TS-B401PRO 4-inch speakers deliver up to 600 watts of max power with a titanium diaphragm and aluminum chassis for unmatched clarity and durability. Featuring a wide 2.5 kHz–22 kHz frequency response and 106dB sensitivity, these bullet tweeters are engineered for high sound pressure levels, making them ideal for audiophiles and car audio enthusiasts seeking powerful, distortion-free sound.




| ASIN | B0CBW8MGYB |
| Additional Features | Bass Boost |
| Age Range Description | Adult |
| Antenna Location | For Automotive |
| Audio Driver Size | 10.16 Centimeters |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #19,116 in Electronics ( See Top 100 in Electronics ) #130 in Car Coaxial Speakers |
| Brand | PIONEER |
| Built-In Media | (1) Bullet Tweeter, (1) Crossover Network Capacitor, (4) Mounting screws, Owner's Manual, Warranty Card |
| Color | Car Speaker |
| Compatible Devices | Smartphone, Tablet, MP3 Player, Desktop, Television, Projector, Laptop |
| Compatible with Vehicle Type | Car, Truck |
| Connectivity Protocol | Auxiliary |
| Connectivity Technology | Auxiliary |
| Control Method | Touch |
| Controller Type | Button |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.3 out of 5 stars 32 Reviews |
| Enclosure Material | Aluminum |
| Frequency Response | 2.5 KHz |
| Impedance | 4 Ohms |
| Is Waterproof | False |
| Item Dimensions D x W x H | 3.03"D x 4.06"W x 4.06"H |
| Item Weight | 3.5 Pounds |
| MP3 player | No |
| Manufacturer | Pioneer |
| Model Name | Pioneer Reference for Open Show |
| Model Number | TS-B401PRO |
| Mounting Type | Flush Mount |
| Number of Audio Channels | 2.0 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Series Number | 401 |
| Speaker Maximum Output Power | 600 Watts |
| Speaker Size | 4 Inches |
| Speaker Type | Tweeter |
| Specific Uses For Product | For Automotive |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 4 Inches |
| Tweeter Diameter | 4 Inches |
| UPC | 884938510806 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 year |
| Warranty Type | Limited |
| Woofer Diameter | 4 Inches |
V**E
TS-B401PRO Pioneer 4" Tweeter
These tweeters are just nasty! Paired with a pair of D4S 65v2 and D4S JP84 amp. I still need to configure bridged to test the amplifier's performance. This chuchero box sounds wonderful and I'm still tuning on it. Pros: build quality, freq. response, rms capacity Cons: none for me I bet once it's bridged, it's going to stay that way. Including 2 10" DD Audio Redline 10" subs + DD Audio D1100 monoblock 1100w RMS amp. *** 10/23/2024 *** bridged the D4S JP84 amp @ 4Ohm 280w rms 2 channel and the 401Pro tweeters have fantastic performance. The D4S 65 v2 speakers have such a frequency response the tweeters are almost unnecessary. The audio system sound fabulous! It's like butter! *** 3/15/2025 *** Purchased a second JP84 amplifier to power these super tweeters. The JP84s consistently dyno at 300w RMS bridged @ 4Ohm so each tweeter will be receiving 150w RMS @ 4Ohm, as will each of the new 6.5" marine grade speaker upgrades (D4S HexiCone NEO HexiPRO cs65 6.5" carbon fiber speakers). Definitely increasing my -dBi!
P**R
Speakers
Great speakers
R**E
Excelente!!!
Sonido niiiitido, trabajan muy bien
C**R
No lo recomiendo
No lo recomiendo no aguanto mucho tengo de otra marca diferente con las mismas especificaciones y están como si nada y este ya no funciona
C**U
很有質感的喇叭
中置喇叭,音質好,推薦!
B**M
Lightening
I'm not saying because they are too good and I need more.
J**S
Con cuidado
Vino con detalles estéticos de rayones,sin protección y la caja del.envoltorio maltratada,como de mala conservacion,solo espero q funcione bien,sobre todo por lo caro que cuesta
P**O
10
Muy buenos buenísimos
B**T
Suis choquée
Je pensais qu'il y avait la paire et non un tout seul par contre je me trouve coincé car il y en a plus je fais comment moi maintenant
Trustpilot
3 days ago
2 weeks ago