About Keystone Sound
Los Angeles recording studio behind platinum and Billboard-charting records.
Every piece listed comes directly from our active signal chain — professionally maintained, tested, and fully studio-ready.
We release gear selectively as we refine our sound.
Message us with any questions.
Shipping Policy
Free FedEx Overnight shipping.
Return Policy
New Items
Returnable within 7 days of delivery.
Used & Vintage Items
Not Returnable
General Terms
Items must be returned in original, as-shipped condition with all original packaging and no signs of use. Buyer assumes responsibility for all return shipping costs unless the item was not received as described.
Make sure to check the return policy on each individual listing as some items may be sold "As-Described" and not eligible for a return.
Tax Policies
| Region | Rate | ||||
|---|---|---|---|---|---|
| Alabama, US* | Calculated at checkout | ||||
| Alaska, US* | Calculated at checkout | ||||
| Arizona, US* | Calculated at checkout | ||||
| Arkansas, US* | Calculated at checkout | ||||
| California, US* | Calculated at checkout | ||||
| Colorado, US* | Calculated at checkout | ||||
| Connecticut, US* | Calculated at checkout | ||||
| District of Columbia, US* | Calculated at checkout | ||||
| Florida, US* | Calculated at checkout | ||||
| Georgia, US* | Calculated at checkout | ||||
| Hawaii, US* | Calculated at checkout | ||||
| Idaho, US* | Calculated at checkout | ||||
| Illinois, US* | Calculated at checkout | ||||
| Indiana, US* | Calculated at checkout | ||||
| Iowa, US* | Calculated at checkout | ||||
| Kansas, US* | Calculated at checkout | ||||
| Kentucky, US* | Calculated at checkout | ||||
| Louisiana, US* | Calculated at checkout | ||||
| Maine, US* | Calculated at checkout | ||||
| Maryland, US* | Calculated at checkout | ||||
| Massachusetts, US* | Calculated at checkout | ||||
| Michigan, US* | Calculated at checkout | ||||
| Minnesota, US* | Calculated at checkout | ||||
| Mississippi, US* | Calculated at checkout | ||||
| Missouri, US* | Calculated at checkout | ||||
| Nebraska, US* | Calculated at checkout | ||||
| Nevada, US* | Calculated at checkout | ||||
| New Jersey, US* | Calculated at checkout | ||||
| New Mexico, US* | Calculated at checkout | ||||
| New York, US* | Calculated at checkout | ||||
| North Carolina, US* | Calculated at checkout | ||||
| North Dakota, US* | Calculated at checkout | ||||
| Ohio, US* | Calculated at checkout | ||||
| Oklahoma, US* | Calculated at checkout | ||||
| Pennsylvania, US* | Calculated at checkout | ||||
| Puerto Rico, US* | Calculated at checkout | ||||
| Rhode Island, US* | Calculated at checkout | ||||
| South Carolina, US* | Calculated at checkout | ||||
| South Dakota, US* | Calculated at checkout | ||||
| Tennessee, US* | Calculated at checkout | ||||
| Texas, US* | Calculated at checkout | ||||
| Utah, US* | Calculated at checkout | ||||
| Vermont, US* | Calculated at checkout | ||||
| Virginia, US* | Calculated at checkout | ||||
| Washington, US* | Calculated at checkout | ||||
| West Virginia, US* | Calculated at checkout | ||||
| Wisconsin, US* | Calculated at checkout | ||||
| Wyoming, US* | Calculated at checkout | ||||
*Marketplace Facilitator State. Reverb collects tax on the seller's behalf.Learn More

