In Stock & Ready to Ship
Boss CS-3 Compression Sustainer
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Pay Later in Easy Monthly Payments Up to 6 Months
HOW IT WORKS
We offer 0% interest Synchrony financing on qualifying purchases. To apply, click the red button above to fill out the financing application. Once on Synchrony’s website, click “apply now” to fill out the financing application.
Please note, Synchrony will advertise a standard interest rate of 29.99% interest—which is a default rate. Once you are approved, we will complete the transaction with the applicable 0% term for your item. At this point you are only applying for financing on Synchrony’s website, not completing a transaction.
After completing your application, call us at 412.343.5299 or use the website chat feature during regular business hours to complete your transaction.
Available finance terms are listed on each product page below the product’s listing title.
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Factory Setup
And Inspection -
Returns
Guitars & Basses (Online & Phone Orders)
We want you to be completely satisfied with your purchase. If you need to return a
guitar or bass, here’s what you need to know:- Returns must be initiated within 3 days of receiving your order.
- To initiate a return, call us at 412-343-5299 for a return authorization number.
- Return shipping is the customer’s responsibility, unless the item arrived damaged or the wrong product was sent.
- If your item shipped with “Free Shipping,” the original outbound shipping cost will be deducted from your refund.
- A 3.5% restocking fee applies to all canceled or returned orders to cover non-refundable payment processing fees.
- Items must be returned in original condition with all packaging materials included. For guitars and basses, that means protective plastic must still be intact on pickups and pickguards; all accessories, case candy, and paperwork must be included; original box and packing materials must be returned.
- We reserve the right to refuse returns or charge an additional restocking fee if items are not returned in original condition.
All Sales Final
We do not accept returns on the following:
- In-store purchases
- Local Pickup Orders (Buy Online / Phone)
- Closeout or clearance items
- Purchases involving trades
- Instruments modified at the time of sale or after (example: strap button or pickup installation)
- Amps, Pedals & Electronics. Due to the nature of electronic products, we do not accept returns on amplifiers, pedals, or other electronic gear. If your item appears defective out of the box, contact us immediately — we’ll work with you and the manufacturer on a warranty resolution.
Description
Boss CS-3 Compression Sustainer
Countless guitarists trust the CS-3 Compression Sustainer for its smooth sound and outstanding versatility. From subtle dynamics control to rich, clean sustain, this blue BOSS classic provides exceptional balance and articulation, whether playing rhythm or lead. Level, Tone, Attack, and Sustain knobs offer precise, intuitive operation and the ability to shape your sound for any musical style. In continuous production since 1986, the CS-3 is a go-to staple for players seeking natural-sounding compression.
Features:
- Classic analog compressor pedal favored by guitarists for decades
- Provides natural compression and rich sustain without adding distortion
- Attack and Sustain knobs shape dynamics with clarity and smoothness
- Tone knob for adjusting the high-frequency response
- High-performance VCA circuit delivers stable, balanced sound
- Low-noise design for transparent operation
- BOSS five-year warranty
The pedal comes with Boss' Factory Warranty and our 100% satisfaction guarantee!
Specifications
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Nominal Input Level -20 dBu
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Input Impedance 1 MΩ
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Nominal Output Level -20 dBu
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Output Impedance 1 kΩ
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Recommended Load Impedance 10 kΩ Or Greater
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Bypass Buffered Bypass
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Controls SUSTAIN Knob; ATTACK Knob; TONE Knob; LEVEL Knob; Pedal Switch
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Indicator CHECK Indicator (Serves Also As Battery Check Indicator)
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Connectors INPUT Jack; 1/4-Inch Phone Type; OUTPUT Jack; 1/4-Inch Phone Type; DC IN Jack
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Power Supply Carbon-Zinc Battery (9V, 6F22) Or Alkaline Battery (9V, 6LR61); AC Adaptor (PSA Series; Sold Separately)
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Current Draw 20 mA
Boss CS-3 Compression Sustainer
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Nominal Input Level -20 dBu
-
Input Impedance 1 MΩ
-
Nominal Output Level -20 dBu
-
Output Impedance 1 kΩ
-
Recommended Load Impedance 10 kΩ Or Greater
-
Bypass Buffered Bypass
-
Controls SUSTAIN Knob; ATTACK Knob; TONE Knob; LEVEL Knob; Pedal Switch
-
Indicator CHECK Indicator (Serves Also As Battery Check Indicator)
-
Connectors INPUT Jack; 1/4-Inch Phone Type; OUTPUT Jack; 1/4-Inch Phone Type; DC IN Jack
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Power Supply Carbon-Zinc Battery (9V, 6F22) Or Alkaline Battery (9V, 6LR61); AC Adaptor (PSA Series; Sold Separately)
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Current Draw 20 mA
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Expected Battery Life Under Continuous Use Carbon; Approx. 10.5 Hours; Alkaline; Approx. 26 Hours (*These Figures Will Vary Depending On The Actual Conditions Of Use)
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Accessories Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," And "Information"); Dry Battery/9 V Type (6F22)
