Technology Trading Partners
Buy. Sell. Service.
Pre-Owned Enterprise IT Equipment | IT Asset Disposition | IT Services
Maximizing Value and Minimizing Hassle
Technology Trading Partners provides quality pre-owned technology products, enterprise IT hardware, IT Asset Disposition, hardware sourcing, and related IT services through our in-house team and secondary-market experience.
Item Description

Up for sale is a professional-grade Crown CTs 4200 4-channel power amplifier. This rugged 2U rackmount amplifier provides highly reliable, premium audio power and flexibility, making it a staple for commercial sound installations, houses of worship, theaters, and high-end pro audio setups.

Key Specifications:

  • Brand/Model: Crown Audio CTs 4200

  • Channels: 4 independent channels

  • Power Output:

    • 180W per channel at 4 Ohms / 200W per channel at 8 Ohms

    • 220W per channel at 70V (Direct Drive)

  • Form Factor: 2U standard 19-inch rackmount

  • Features: Independent high and low impedance switching per channel, thermal and clipping protection circuits, and a high signal-to-noise ratio.

In-House Processing
Handled by our team
Quality Checked
Tested as described
Serials Recorded
For QC and accuracy
30-Day Returns
On most items
About Technology Trading Partners

Technology Trading Partners, LLC is a U.S.-based Value-Added Reseller of pre-owned technology and a provider of IT Asset Disposition and other IT services.

With over 25 years of industry experience, we specialize in enterprise IT hardware, including data center infrastructure, networking equipment, servers, storage, telecommunications systems, and UPS power backup equipment.

Our goal is to provide reliable pre-owned technology at a strong value while helping customers maximize value and minimize hassle.

More Than Hardware Sales

Technology Trading Partners supports customers through pre-owned equipment sales, IT Asset Disposition, hardware sourcing, infrastructure support, relocation assistance, decommissioning, logistics, and professional IT services.

Our background includes enterprise servers, storage, networking, telecom, UPS power equipment, data center hardware, office technology, and related IT infrastructure.

This experience helps us better understand the equipment we sell, the business environments it comes from, and the needs of customers purchasing pre-owned enterprise technology.

Secondary-Market Equipment Experience

We work with pre-owned and refurbished technology across a wide range of manufacturers, product types, and business environments.

Our inventory may include equipment sourced from business upgrades, office moves, data center changes, cloud migrations, consolidations, and other technology refresh projects.

Quality & Testing

Unless otherwise stated in the listing, our items are pre-owned and are processed through our in-house team. Testing, inspection, cleaning, refurbishment, and reset procedures may vary depending on the item type, condition, and available testing environment.

We do our best to describe each item accurately and disclose known issues in the listing. Some items may be fully tested, while others may be power tested, visually inspected, or tested only to the extent described in the item description.

Please review the item description and photos carefully so you understand the exact condition, included accessories, and testing level before purchasing.

Equipment We Commonly Handle
Servers & Components
Rack servers, tower servers, processors, memory, controllers, power supplies, and related parts.
Networking & Telecom
Switches, routers, firewalls, wireless equipment, telecom hardware, and related accessories.
Storage & Data Center Hardware
Enterprise storage, drives, shelves, controllers, and data center infrastructure equipment.
Power & End-User Equipment
UPS systems, PDUs, desktops, laptops, monitors, handhelds, and other business technology.
What Is Included

Please review the full listing carefully before purchasing. Only the items specifically described in the listing and shown in the photos are included in the sale.

If an item is not stated in the description or shown in the photos, it is not included. This includes, but is not limited to, power cords, cables, rack rails, bezels, software, licenses, adapters, manuals, mounting hardware, and accessories unless specifically shown or stated.

Photos & Condition

We use actual photos for most listings. In some cases, stock or generic photos may be used for brand-new sealed items or multiple identical units.

Unless otherwise stated, our items are pre-owned and may show normal signs of use, storage, handling, rack installation, or cosmetic wear.

Compatibility

Buyers are responsible for reviewing the listing carefully and confirming compatibility with their intended system, configuration, software environment, or application prior to purchase.

Please contact us through eBay messaging before purchasing if you have questions about fitment, compatibility, included parts, or item details.

Order Accuracy & Fraud Prevention

For quality control, order accuracy, and fraud prevention, we record serial numbers and other identifying details on applicable items prior to shipment. Orders are also packed and processed under video surveillance.

Payment Policy

Payment is due within 4 days of purchase. If payment is not received by the 5th day, we reserve the right to cancel the order in accordance with eBay policies.

If there is an issue with payment, please contact us through eBay messaging and we will do our best to work with you.

Shipping

Orders are typically shipped within one business day after cleared payment is received. We use a variety of standard shipping services depending on the item size, weight, destination, and available carrier options.

For buyer and seller protection, we can only ship to the shipping address provided during eBay checkout. Please make sure your shipping address is correct before completing your purchase. If an order is placed with an incorrect shipping address, the order may need to be canceled and repurchased using the correct address.

If an item requires freight shipping, that will be noted in the listing.

If you need expedited shipping, overnight shipping, or any shipping service that is not currently shown in the listing, please contact us before purchasing so arrangements can be reviewed and confirmed. Once an order has been placed and paid for, we may not be able to add or change shipping services through the existing order. In some cases, the order may need to be canceled and repurchased with the correct shipping service selected.

Freight Shipping

If no shipping price is shown in the listing and the item is marked as freight shipping, please contact us before purchasing so we can provide a shipping quote.

When requesting a freight quote, please let us know whether the delivery address is residential or business, and whether a loading dock or liftgate service will be required.

Returns

We offer a 30-day return policy on most items unless otherwise stated in the listing. Please contact us through eBay messaging to initiate a return or to discuss any issue with your order.

Responsible Reuse of Technology

Purchasing pre-owned enterprise equipment helps extend the useful life of quality technology while offering a cost-effective alternative to buying new hardware.

Contact Us

If you have any questions or concerns, please contact us through eBay messaging. Our normal business hours are Monday through Friday, 8:30 AM – 5:30 PM ET. We may occasionally respond to messages outside of these hours, including evenings, weekends, and holidays, but replies may be slower than during normal business hours.

Technology Trading Partners, LLC
Pre-Owned IT Equipment | IT Asset Disposition | IT Services | Maryland Facility