QSC GX7 Professional Power Amplifier – Fully Tested & Serviced – 1-Year Warranty
- MODEL: GX7
- TYPE: Professional Power Amplifier
- PROTECTION PLAN: 1-Year Warranty Included
- FREE SUPPORT: Must be used before requesting return
- SKU: 1ANLC1700
QSC GX7 Professional Power Amplifier
Condition: Excellent working condition – serviced, tested, and cleaned.
ABOUT:
QSC GX7 is a professional-grade stereo power amplifier engineered for musicians, DJs, and audio engineers who demand reliability and precision. Delivering up to 1000W per channel at 4Ω, it provides clean, distortion-free power suitable for both live sound and studio reinforcement. Built on QSC’s renowned Class H topology, the GX7 combines high efficiency, low weight, and long-term dependability.
- MODEL: GX7
- TYPE: Professional Power Amplifier
- PROTECTION PLAN: 1-Year Warranty Included
- FREE SUPPORT: Must be used before requesting return
- SKU: 1ANLC1700
Customer Service:
Once your item arrives, if you have questions about how your item functions or proper settings, please CONTACT US.
TRADE-IN PROGRAM
“If you have any vintage audios (receivers, speakers, cassette, reel to reel…) & want to upgrade with the serviced one, don’t hesitate to contact us for the best deal. You only need to pay for the difference between yours & mine….”
Note:
The actual color of the product may sometimes differ slightly from the photos due to lighting conditions, temperature, and the device used. Some angles in the photos may not fully reflect the product’s condition. Please read the description carefully and feel free to message us if you have any questions.
SPECS:
- Power Output:
725 W per channel @ 8 Ω
1000 W per channel @ 4 Ω
1200 W per channel @ 2 Ω (1 kHz, 1% THD, one channel driven)
2000 W @ 8 Ω bridged mono
- Frequency Response: 20 Hz – 20 kHz (+0 / –1 dB)
- Total Harmonic Distortion (THD): < 0.02% @ 8 Ω / < 0.05% @ 4 Ω (1 kHz, full power)
- Input Sensitivity: 1.2 V RMS
- Signal-to-Noise Ratio: > 100 dB (A-weighted, 20 Hz – 20 kHz)
- Damping Factor: > 200 (8 Ω, 10 Hz – 400 Hz)
- Amplifier Class: Class AB output stage with Class H rail switching
- Cooling: Variable-speed fan, front-to-rear airflow
- Protection Circuits: DC, thermal, and short-circuit protection
- Dimensions: 3.5″ (H) × 19″ (W) × 10.1″ (D) / (8.9 × 48.3 × 25.7 cm)
- Weight: 27 lbs (12.2 kg)
KEY FEATURES:
- High Power Output: Delivers exceptional headroom for demanding live and studio environments.
- Efficient Class H Design: Maintains cool operation with reduced power draw.
- Lightweight Construction: Easy to rack and transport for touring or event use.
- Rugged QSC Build Quality: Designed for years of reliable operation under heavy use.
REFURBISHED:
This QSC GX7 amplifier has undergone a full inspection, service, and test process at HQaudios to ensure top-tier performance and reliability.
Electrical & Functional Testing
All channels fully tested under load at 4Ω and 8Ω to confirm rated output and signal integrity.
Oscilloscope waveform verification performed — both L/R channels deliver clean, balanced sine waves across the frequency spectrum.
Crossover, gain, and limiter circuits checked and calibrated for proper response.
Power supply section verified for stable voltage, no thermal drift, and quiet fan operation.
Maintenance & Cleaning
Internal components vacuumed and contacts cleaned for dust-free airflow.
All input/output connectors are cleaned and tightened for secure, noise-free performance.
Final QC Test
Passed continuous 2-hour burn-in test with no clipping, distortion, or overheating.
Verified LED indicators, gain controls, and limiters for consistent functionality.
Ready for immediate plug-and-play use in professional or home audio setups.
Result:
A fully serviced and verified QSC GX7 power amplifier delivering the brand’s legendary clarity, punch, and durability — ideal for both live sound reinforcement and studio monitoring.
SUGGESTED PAIRINGS:
Perfect match with JBL SRX, EV ELX, or Yamaha Club Series speakers.
✅ Backed by 1-Year Warranty (repair or replacement)
PACKAGING & SHIPPING:
Secure Packaging:
Each unit is carefully packed using:
Nylon wrap and sealed inner carton
Custom EPE foam corners to protect edges
Double-wall outer box for shock resistance
Plastic straps + handling labels to ensure safe transit
Shipping Details:
Dispatch Time: Ships within 3 business days
Carrier: UPS Ground (tracked & insured)
Signature Required: Yes (as buyer’s request)
Transit Time: Typically 3–7 business days (USA)
International Shipping:
We offer global delivery through the eBay International Shipping Program. eBay handles customs, duties, and tracking.
📦 Note: Packaging may vary slightly depending on unit size or model, but safety and protection are always our top priority..
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Thank you for viewing our listing! Please kindly ensure you read all the provided information carefully!
We strive to describe all items honestly and accurately. However, as human beings, we may occasionally make mistakes. If you have any doubts or encounter conflicting information, please inquire before purchasing or making an offer
We kindly request that all buyers give us the opportunity to address any issues.
Payment Policy:
All buyers are required to make immediate payment or contact us within 24 hours to arrange payment, with payment received within 3 days. Offers submitted under the Best Offer feature are considered binding agreements and require immediate payment upon acceptance. Failure to adhere to these terms may result in substitution or cancellation of the transaction.
Payments must be accompanied by a valid shipping address listed as Confirmed. Payments with invalid shipping addresses will be refunded and may incur a processing fee deducted from the refund amount.
Shipping Policy:
This is for local pickup or we will ship it very carefully so that it arrives in good shape like it is now. Our customers’ satisfaction means everything to us. Once you get this item, feel free to contact us if it has any problems! I will try to answer any questions that you may have in a timely fashion.
All shipments are processed within 03 business days of payment, whenever possible. In the event of stock issues causing a delay, customers will be promptly notified, and alternative shipment arrangements will be made. Customers are responsible for any charges incurred due to failed delivery attempts or re-delivery.
Return Policy:
Our Free Support service must be utilized before requesting any return, for any reason.
Items may be exchanged within 30 days if defective or not as described, with a full refund of the purchase price if an exchange is unavailable.
If due to seller error, we will issue a prepaid return label or arrange for reimbursement of return shipping expenses as per this policy, not exceeding the original shipping cost.
The address for returning shipment: 10851 Capital Ave, Garden Grove CA 92843
Returned items may require inspection before determining fault. The item must be received in its original, unaltered condition with all original packaging. Electronic items cannot be opened or tampered with; sealed items must remain sealed, and “Mint” items must remain in “Mint” condition.
No returns will be accepted without first contacting us for Free Support, troubleshooting, or evaluation.
Warranty policy:
The warranty covers technical parts for up to 12 months from the date of receipt, provided there is valid evidence and the item remains sealed, unaltered, and has not been disassembled or internally inspected/repaired. Please note that shipping costs for warranty service will be the seller’s responsibility if the item is found to be defective.
⚠ Important Notice:
To ensure a smooth warranty process, we kindly request that you record a video while unboxing your package upon delivery. Any claims related to product damage or warranty service must be supported by clear video and photographic evidence. Please submit all required documentation to the official HQaudios email for prompt assistance.
***Failure to provide sufficient information as per our guidelines may result in the rejection of your request.
If you have any issues or dissatisfaction with our services, products, or policies, please refrain from leaving negative feedback immediately. Instead, contact us right away so we can provide you with the best possible solution and have the opportunity to improve our service quality!
Thank you for being a valued customer & Thanks for looking!


























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