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Government office in Portland, OR requested a quote 270 units · 4h ago
Q Power Single Triangle Car Audio Ported Subwoofer Box, Fits Most 12-Inch Subwoofers - Deep Bass MDF Enclosure with Bed Liner Finish, Tuned to 54 Hertz, 2.2 Cu Ft Air Space
Upgrade your car audio setup with the QPower QBOMB12TB-SINGLE Triangle Ported Subwoofer Box, engineered for serious bass enthusiasts who want deeper, louder, and more powerful sound. This single 12-inch subwoofer enclosure features a… Full details
Starting at
$2,823.23
per unit · list price
67 in stock across 1 config · fastest ship 3-day
Pick a grade & ship speed
Live stockPer unit
$2,823.23
Line total
$2,823.23
Evaluate before you commit?
Order a single unit to evaluate. Free shipping, 30-day quote lock on the fleet tier.
- Free shipping
- 30-day quote lock
- Credits fleet PO
Fleet pricing from 10+ units auto-applies on the signed quote. Start a quote instead →
Highlights
- Triangle Ported Design: Engineered with a vented triangle shape that improves airflow and reduces distortion, this enclosure delivers louder, deeper bass in your car audio system
- Spacious 2.2 Cu Ft Air Volume: Offers ample internal air space to support high-performance bass output from most 12-inch subwoofers, helping you get the most out of your audio setup
- Durable Bed Liner Coating: Built to withstand wear, tear, and vibration, the rugged spray-on bed liner finish resists moisture and damage, making it suitable for high-impact audio setups
- Precision-Built: Made from dense, 3/4-inch medium-density fiberboard for long-lasting strength, with spring-loaded terminals for secure wire connections and clean signal transfer
- Universal Fit for Most 12" Subs: Cutout diameter of 11 inches fits standard subwoofers, with a tuning frequency of 54 Hz to enhance low-end response and create punchy, hard-hitting bass
Grade rubric
What each grade actually looks like.
Published criteria, photo-exemplar rubric, same 12-month warranty across every grade. If a received unit doesn’t match its listed grade, refund, re-grade, or replace within 30 days — your choice.
OEM list
Factory-sealed from authorised channels
Cosmetic
Unopened, shrink-wrapped retail packaging. Indistinguishable from the OEM site — because it is.
Best for
Executive rollouts, compliance-sensitive deployments, or when OEM warranty terms are required.
−40 to −50%
Most popular for fleet refreshes
Cosmetic
Near-new. Minor scuffs visible only on close inspection. Keycap wear imperceptible. No dents, cracks, or faded logos.
Best for
Standard issue for knowledge workers. Looks new on a Zoom call; ages well through a 3-year cycle.
−55 to −65%
Best value for rollouts
Cosmetic
Visible wear at arm’s length — palmrest sheen, keycap smoothing, minor chassis dings. No dents, cracks, or damage that would affect function.
Best for
Loaner pools, onboarding kits, dev-pool machines, shared workstations, secondary device issuance.
−65 to −75%
Deepest value tier
Cosmetic
Heavy cosmetic wear — scratches, scuffs, or minor dings that don't affect function. Fully tested, same 12-month warranty.
Best for
Education labs, warehouse floors, kiosks, harsh-environment deployments, high-churn use cases.
Grade mismatch on arrival? Refund, re-grade, or replace within 30 days — no photo forensics required. Grade-accuracy dispute rate tracked here.
Unsure which grade?
Answer 3 questions. We'll pick the right grade for you.
Most first-time refurb buyers over-spec. The fit-your-use-case tier is usually one step cheaper than you'd guess.
Volume pricing
Build your quote in real time.
Per unit
$2,738.53
was $2,823.23 · −3%
Line total
$27,385
saves $847.00 vs list
Lead time
1–2 business days
67 on the floor
On signed quote
24 business hours
ACH · Wire · PO · NET 30
Small team perks: 3% off · list-locked pricing. Volume tiers auto-apply to the signed quote. For 250+ units we reserve matched batches by spec and grade.
Who's buying this
Procurement pattern, last 90 days.
IT teams bought
67
distinct buyer orgs, rolling 90 d
Units shipped
60
across every grade + config
Typical order
222
median units per PO
Repeat buyers
39%
placed a second PO within 6 mo
Buyer size distribution
- 22% 1–49 seats
- 40% 50–499 seats
- 38% 500+ seats
Sweet spot: 50–499-seat IT teams running fleet refreshes. See pricing program →
How it's deployed
- Fleet refresh 39%
- Loaner / hot-swap pool 19%
- New-hire onboarding 16%
- Branch expansion / field 26%
39% of buyers refreshed from prior-gen batch or earlier.
Recent anonymised POs
vertical · units · days-ago
- PO Healthcare network 23units 5 d ago
- PO Legal firm 155units 12 d ago
- PO Boutique agency 7units 59 d ago
PO-level vertical + size — no customer identifiers. Hashed aggregates refreshed nightly.
Price transparency
What this unit has cost over the last 90 days.
Today
$2,823
Median 90-d
$2,826
90-d range
$2,733 – $2,924
Volatility
6.8% · Typical
3-year lifetime cost
What it really costs to own one.
- = Unit list price Per-unit, any grade $2,823
- + 3-yr energy 0 kWh/yr @ $0.13/kWh $0.00
- + Warranty + NET 30 Included · $0 upcharge $0.00
- − Residual @ 36-mo buyback We buy back at ~5% of list −$141
Net 3-year TCO
per unit, incl. energy − residual
$2,682
Vs. buying new-equivalent
29%
less per unit at list
Kept in your stack
Typical fleet keeps this model 3–4 years. End-of-life: we buy back at ~5% of list, data-wipe to NIST 800-88, and issue a Scope 3 CO₂ offset statement.
Pre-quote the buyback →Every unit includes
No upgrade tier, no asterisks.
12-month fleet warranty
Advance-replacement for 50+ unit active fleets. Claim-rate tracked publicly on /transparency.
Serial + spec CSV
Every unit ships with its serial, grade, and functional-test result exported to your CMDB format.
NIST 800-88 sanitisation
Every storage drive purged to NIST Purge before resale. Per-drive Certificates of Sanitisation on request.
Volume tiers auto-applied
3% at 10+, 6% at 50+, 9% at 250+, 12% at 1000+ — locked on the signed quote, no haggling.
NET 30 on approval
Credit decisioned in 2 business days. ACH, wire, card, and PO all accepted. Tax-exempt on file.
30-day return window
Including grade disputes — refund, re-grade, or replace at your choice. No photo forensics.
Published grading rubric
Grade A = near-new, B = visible wear at arm’s length, C = heavier cosmetic wear. Photo exemplars on the grade page — no hidden downgrade language.
CO₂ avoided, in writing
Per-PO ESG disclosure with Scope 3 Category 1 mapping. Format your sustainability team files directly.
Frequently added together
5-pack · save 8%
Standard MSP / reseller break pack · added by 48% of IT teams on POs for this SKU.
- $2,823
Q Power Single Triangle Car Audio Ported Subwoofer Box, Fits Most 12-Inch Subwoofers - Deep Bass MDF Enclosure with Bed Liner Finish, Tuned to 54 Hertz, 2.2 Cu Ft Air Space
This unit · primary line of the bundle
- $14,116
Q Power Single Triangle Car Audio Ported Subwoofer Box, Fits Most 12-Inch Subwoofers - Deep Bass MDF Enclosure with Bed Liner Finish, Tuned to 54 Hertz, 2.2 Cu Ft Air Space · ×5
Same SKU, batched shipment
- Sum of parts
- $16,939
- Bundle price
- $15,810
- You save
- $1,129
Bundle discount auto-applies when all lines are on the same signed quote. Swap any line during the quote review.
Not ready to commit?
Lock this price. We'll email it to you.
We'll hold $2,823/unit for 30 days and send a PDF with the spec sheet, volume pricing, warranty detail, and a quote-ready link — nothing else.
- 30-day price lock
- PDF spec sheet attached
- No sales follow-up
Teams running this in production
What IT teams like yours actually say.
We're the ones buying onboarding kits — cables, mice, keyboards, locks. Restart is the only vendor that lets me pack a 250-unit order on one PO without hunting suppliers.
Omar Reyes
Logistics Lead · Convergence MSP
MSP · 42-person MSP
Buying accessories at volume used to mean haggling on the phone. One quote, NET 30, done. My ops team got 20 hours back a month.
Lin Chen
Operations Director · Summit Logistics
Logistics · 320-employee 3PL
Our nonprofit buys field-ready accessories for volunteer laptops. Restart's volume pricing at 50+ made the line-item fit our grant budget instead of blowing past it.
Alicia Okafor
IT Director · Bright Futures Foundation
Nonprofit · 95-staff NPO
Answers before you buy
Frequently asked questions
Grading How do grade letters translate to what we receive?
Deployment Can you apply our asset tags and emit serials before shipment?
Compliance How do you handle drives and prior-customer data?
Warranty What does the 12-month warranty actually cover?
Terms Can we get NET 30 terms and a blanket PO?
Logistics Do you support blind drop-ship for MSPs and resellers?
Keep browsing
Similar products shoppers also consider
Good for
- Supplementing a refurb fleet at the same PO
- Onboarding kit packaging alongside laptops
- Stocking up on field-replaceable accessories
Watch out for
- Cosmetic condition varies by grade — Grade B is the visible-wear tier
- Grade A batches sell out first during refresh season (Jun / Jan)
- Pre-ship Autopilot enrolment adds 1 business day to lead time
Skip if
- You need a full compute unit — this is an accessory line
- Your fleet is on a different cable / dock standard
About this model
Upgrade your car audio setup with the QPower QBOMB12TB-SINGLE Triangle Ported Subwoofer Box, engineered for serious bass enthusiasts who want deeper, louder, and more powerful sound. This single 12-inch subwoofer enclosure features a unique triangle-shaped ported design that enhances airflow to reduce distortion and improve low-frequency response—giving your system that unmistakable thump and better bass dynamics. With 2.2 cubic feet of air space, this enclosed woofer box provides optimal internal volume for most 12" subwoofers, delivering precise, hard-hitting bass. Its construction is precision-crafted from durable 3/4-inch MDF (medium-density fiberboard) known for its acoustic consistency and strength. To withstand tough road conditions and protect your gear, the box is finished with a rugged spray-on bed liner coating that adds moisture resistance and impact durability. Spring-loaded terminals provide secure wiring connections for clean signal transfer and easy installation. The enclosure is tuned to 54 Hz, helping your sub produce smoother low-end frequencies and a fuller soundstage in any vehicle—turning every drive into a rolling bass party with classic QPower punch. Whether you're building a custom trunk setup or upgrading your daily driver’s sound system, the Q Power QBOMB12TB-SINGLE Triangle Ported Subwoofer Box delivers professional high-performance bass quality in a space-saver profile. Its unique triangular shape also provides greater placement flexibility, allowing you to fit it in tighter or angled trunk spaces. Built for long-lasting use, this subwoofer box balances sleek style with uncompromising automotive audio performance—the ultimate upgrade for anyone looking for a good base of form, fit, and thunderous function.
What's in the box
- The unit itself
- 12-month warranty card
- Recyclable fibre packaging
Need custom packaging (PO-branded, bulk-ship, or reseller blind)? Flag it in the quote request.
Storage
2- ModelName
- RQ12TB SINGLE
- ModelNumber
- RQ12TB SINGLE
Months 0–12
12-mo warranty · every grade
Advance-replacement for 50+ active fleets
Functional defects covered on every grade — A, B, or C — for 12 months from ship date. 50+ active-unit fleet customers get advance-replacement: the replacement ships from the same spec + grade before the faulty unit is returned. Grade-match not possible? You pick spec-upgrade credit, pro-rata refund, or part-out. Claim rates are published on /transparency.
DOA rate
0.4%
Rolling 90-d
Median RMA
3.2 d
Filed → shipped
Advance-replace rate
96%
Fleet customers
Return window
30 d
No restocking fee
Datasheet (PDF)
On requestManufacturer spec sheet + supported configurations
Functional QA report
Per PO43-point inspection results for the batch this unit shipped from
Certificate of Sanitisation
Per PONIST 800-88 Purge evidence per drive
Chain-of-custody log
On requestFrom intake to dispatch (HIPAA / public-sector)
ESG / Scope 3 disclosure
Per POEmbodied carbon avoided + kg diverted, per PO
