SKU: 80125466776

B-Stock: QSC SPA4-60 4 Channel Energy Star Power Amplifier

Sale price$429.64 Regular price$477.38
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Description

B-Stock: QSC SPA4-60 4 Channel Energy Star Power AmplifierThe SPA4 60 four channel amplifier delivers 60 watts RMS per channel into 4 or 8 ohms; the channels can also be bridged providing up to 200 watts RMS into 4 or 8 ohms per channel pair. The bridged channels can be switched into 70V or 100V direct drive mode providing up to 250 watts RMS into a 70V or 100V output. An 80Hz high pass filter is engaged when in 70V or 100V mode ensuring that distributed loudspeaker transformers are not overdriven and

The SPA4-60 four channel amplifier delivers 60 watts RMS per channel into 4 or 8 ohms; the channels can also be bridged providing up to 200 watts RMS into 4 or 8 ohms per channel pair. The bridged channels can be switched into 70V or 100V direct drive mode providing up to 250 watts RMS into a 70V or 100V output. An 80Hz high pass filter is engaged when in 70V or 100V mode ensuring that distributed loudspeaker transformers are not overdriven and saturated by too much low-frequency content.

Efficient Amplifier with Auto-Ramp: The SPA Series amplifiers utilize a highly efficient class-D design that conserves energy to reduce operational costs and requires no active cooling. They are ENERGY STAR qualified with auto-ramp circuitry that seamlessly transitions to/from Standby with no audible pops.

Amplifier Protection: Both amplifiers in the SPA Series feature rms and thermal limiting, as well as protection against over current, short circuit, and under/ over voltage.

Protection, Control and Mounting: The SPA Series provide rms and thermal limiting as well as over-current and short circuit protection so you can employ them with confidence. They also come with multiple mounting options. Every SPA Series comes with a complete mounting kit allowing it to be rack mounted by itself or with a second unit in a 1RU space. Included connecting brackets provide additional strength when rack mounting two amps together, but also make for simple under-table or wall mounting (like behind a TV). The SPA Series can also be mounted in plenum spaces when used with the Plenum Kit accessory.

Product Specifications:

Channels: 4

Frequency Response: (4Ω and 8Ω) 20 Hz - 20 KHz +/- 0.1 dB

Signal to Noise: (20 Hz - 20 KHz) >100 dB

Input Sensitivity: 1.23V (+4 dBu)

Gain at 8Ω: 25.0 dB

Dimensions: 1.7” x 8.7” x 9.5” (43 mm x 220 mm x 241 mm)

Net Weight: 3.5 lb (1.1 kg) 4.0 lb (1.4 kg)

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 80125466776

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Stacy
Massapequa, US
★★★★★ 1
The shoe size should be smaller 9 is the max and it is still to tight
Size: M (up to size 9)-Beige, Size: M (up to size 9)-Beige
Very tight had to take off my feet in the middle of the night they were cutting off my circulation.
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Reviewed in the United States on February 17, 2026
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michele p.
Lake Worth, US
★★★★★ 5
Great product to keep moisture in
Size: M (up to size 9)-Beige
These are so cool. I was skeptical at first. After an at home pedicure I put lotion on and keep these on for about a few hours. The moisture retention, and comfort and fit or absolutely amazing!
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Reviewed in the United States on April 24, 2025
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Amy
Phoenix, US
★★★★★ 5
These work!
Size: M (up to size 9)-Beige
I’ve had dry cracked feet my whole life. Tried these last night with lotion from Trader Joe’s and literally overnight my feet are the softest they’ve ever been. I put a pair of socks over them and went to sleep with them on. Hard to walk around with all that slippery-ness but worth it! 10/10✨👌
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Reviewed in the United States on June 11, 2025
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View from the hills
Boise, US
★★★★★ 5
Enables the person to move around while wearing.
These silicon socks look a bit odd at first glance but they work great and best of all, any lotions and oily creams are contained on the inside so you can walk around. They are very soft. I haven't had them long so I can't comment on durability, but they are not made of lightweight material.
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Reviewed in the United States on March 10, 2026
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Theresa C.
Draper, US
★★★★★ 5
They Work
Husband struggles with cracking feet, he has tried so many home remedies these work great to keep the moisturizer on and the carpet dry!
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Reviewed in the United States on March 25, 2026

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