The best behind-the-seat truck speaker setup depends on your cab space, speaker size, and whether you need an enclosure, mounting brackets, or added bass. The BBTO pair is best for 6 x 9-inch speakers, while VONLX brackets are designed for select 1973–1987 Chevy and GMC C10 trucks. Datanly supplies 6.5-inch speakers with enclosures; BOSS offers a compact enclosed speaker pair, and Seventour adds powered bass rather than a conventional speaker box.
| Product | Best For | Key Detail |
|---|---|---|
| BBTO Angled Speaker Boxes | 6 x 9-inch speaker owners | Pair of carpet-covered enclosures |
| VONLX Behind-Seat Brackets | Specified Chevy and GMC C10 trucks | Steel brackets for 6 x 9-inch speakers |
| Datanly Coaxial Speakers and Boxes | Buyers needing speakers and enclosures | Pair of 6.5-inch, 100W speakers |
| BOSS AVA6200 Speakers | Compact enclosed-speaker needs | Pair of 3-inch speakers |
| Seventour Under-Seat Subwoofer | Adding adjustable low-frequency bass | Powered 10-inch subwoofer with remote |
BBTO Angled 6 x 9-Inch Speaker Boxes
Best for: Truck owners who already have compatible 6 x 9-inch speakers and need a pair of separate enclosures. The package includes two angled, trapezoidal boxes, a shape intended to make placement in a vehicle easier.
Each box measures about 8.66 x 4.72 x 12.8 inches externally. The cotton-rug covering helps resist dust, and its classic appearance can blend with many vehicle interiors. These enclosures are a practical choice when you want to position speakers behind a seat without buying a complete speaker-and-box set.
Limitation: The product listing specifies that the boxes fit 6 x 9-inch speakers, so check speaker dimensions and available cab space before ordering. Speakers are not listed as included.
VONLX C10 Behind-Seat Speaker Brackets
Best for: Owners of Chevrolet 1973–1987 and GMC C10 trucks seeking a behind-seat mount for a pair of 6 x 9-inch speakers. This option is a bracket rather than a traditional enclosed speaker box, making it relevant when the goal is a vehicle-specific mounting solution.
The brackets have a heavy-duty steel construction with a black powder coating intended to help prevent rust. The design positions speakers behind the seat and allows sound to travel along the seat sides, according to the product description.
Limitation: The stated fit is specific to the listed Chevy and GMC C10 model years. Confirm your truck’s exact model and speaker size; the listing does not describe this as a universal enclosure.
Datanly 6.5-Inch Speakers With Boxes
Best for: Buyers looking for both speakers and enclosures in one set. The package includes one pair of 6.5-inch round, two-way coaxial speakers and two speaker boxes, so it can suit a project where neither component has been purchased yet.
The listing gives a 100-watt power-handling figure and 4-ohm impedance. Its two-way coaxial design combines low- and high-frequency drivers in each speaker. Choose this set if you want a compact speaker size and an included pair of boxes rather than a bare enclosure for larger 6 x 9-inch speakers.
Limitation: The speakers are 6.5 inches, not 6 x 9 inches. Verify box dimensions and mounting space against your truck before purchase; the listing does not provide vehicle-specific fitment.
BOSS Audio Systems AVA6200 Speaker Pair
Best for: Buyers considering small enclosed speakers for a space-conscious audio setup. The AVA6200 is a pair of 3-inch enclosed box speakers, with listed dimensions of 7.38 inches deep, 4.88 inches wide, and 4 inches high. The pair weighs 3.3 pounds and has 4-ohm impedance.
This is a different fit from a typical behind-seat 6 x 9-inch enclosure. Its compact dimensions may be useful when the available location is limited, but measure the intended space and compare it with the listed size before choosing it.
Limitation: The supplied product details do not specify vehicle fitment or power-handling information. Do not assume these speakers will replace a larger truck-specific box without checking your installation requirements.
Seventour 10-Inch Powered Under-Seat Subwoofer
Best for: Truck owners who want to add adjustable bass under a seat, rather than mount standard speakers in a passive box behind it. This 10-inch active subwoofer has a built-in amplifier and a cast-aluminum enclosure described as supporting heat dissipation.
Its wired remote provides bass-volume control, and the listed controls include gain, bass boost, and crossover. The product also has a blue LED ring that lights when the vehicle starts. The stated peak power is 800 watts.
Limitation: This is a powered subwoofer, not a conventional behind-seat speaker enclosure for 6 x 9-inch or 6.5-inch speakers. Check available under-seat space and the installation requirements before selecting it.
Buying Guide: How To Choose A Behind-Seat Truck Speaker Box
Which speaker size should you choose?
Start with the speaker size your system uses. The BBTO enclosures are specified for 6 x 9-inch speakers, while the Datanly set includes 6.5-inch speakers and boxes. The VONLX brackets are designed for 6 x 9-inch speakers. Match the box or bracket to the speaker rather than assuming different sizes will fit.
Do you need a box, brackets, or a complete set?
Choose BBTO if you need enclosures for speakers you already own. Choose VONLX if you have one of the specified C10 trucks and need a mounting bracket. Datanly is the more complete option when you want speakers and boxes together. BOSS provides enclosed speakers, while Seventour is for adding powered bass.
How should you check cab fit?
Measure the intended mounting area, including the space behind or below the seat. Compare those measurements with listed external dimensions where available, and allow for speaker depth, wiring, seat movement, and access to controls. Product names alone do not confirm fit in every truck cab.
Should you add a subwoofer?
A subwoofer serves a different purpose from full-range speakers in boxes. Seventour is the option in this selection with a dedicated powered subwoofer and bass controls. If you only need speaker mounting or replacement speakers, compare the enclosure and speaker options instead.
Frequently Asked Questions
What is a behind-the-seat truck speaker box?
It is an enclosure positioned behind a truck seat to hold speakers. Fit depends on the enclosure dimensions, speaker size, and available cab space.
Are the BBTO boxes sold with speakers?
The listed package includes two enclosures for 6 x 9-inch speakers. The provided product details do not list speakers as included.
Will the VONLX brackets fit every truck?
No. The stated vehicle fit is Chevrolet 1973–1987 and GMC C10 trucks. Confirm the model and year before purchase.
Is the Seventour product a speaker box?
It is a powered 10-inch subwoofer with a built-in amplifier, not a passive enclosure for standard 6 x 9-inch speakers.
What should I measure before buying?
Measure the available mounting space and check speaker diameter, enclosure dimensions, and seat clearance. Also verify whether the product includes speakers or only mounting hardware.