Woo Audio WA2 Tube OTL Headphone Amplifier

Woo Audio WA2 Tube OTL Headphone Amplifier

Marsoni

M251S

$1072.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Woo Audio WA2 Tube OTL Headphone AmplifierThe critically acclaimed WA2 is a high performance OTL (Output Transformerless) headphone amplifier. WA2 is a Class A, all tube design, single ended triode (SET) with point to point wiring to achieve the most analog sound. Music lovers with high impedance headphones (above 100 Ohms) would find WA2 to be the ideal pairing for their high end headphones. In The Box: Quick start guide WA2 headphone amplifier x 1 6922 vacuum tube x 2 6080 vacuum tube x 2

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At first Labradors weren’t into it, but I played with them positively reinforcing all touches and now my service dog LOVES the bigger one! It’s perfect between appointments to give her exercise. Will be looking for the same but with a softer ball. It’s a little too heavy and tough if it were to accidentally bounce off a body part besides their mouth catching it.

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Reviewed in the United States on October 19, 2022

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Shelby Orlows

Port Orchard, US

★★★★★ 5

My dog LOVES this tiny tug ball

Size: Medium(6")

A lot smaller than I was expecting.. BUT my dog doesn’t mind at all. She seriously loves this thing. It goes flat fairly quickly, but that’s what happens with all of her soccer balls, no matter the size. She’s a pitbul catahoula mix and has a strong bite. Considering my dogs chewing abilities, I’m fairly impressed by the durability of the ball, though she chewed through all but one of the rope handles in about 2 seconds. All that said, it’s one of her favorite toys(she’s 13 years old)

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Reviewed in the United States on April 21, 2026

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blake r.

Waukegan, US

★★★★★ 5

10/10

Size: Medium(6")

My dog loves this ball. Durable and the straps seem to be strong too. Would highly recommend

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Reviewed in the United States on May 27, 2026

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Phyllis H. Schmidbauer

Bozeman, US

★★★★★ 5

Durable!!

Size: Medium(6")

So well made for the active dog!! Colorful, durable and good quality!!

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Reviewed in the United States on April 26, 2026

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Ian Servis

Pawtucket, US

★★★★★ 5

Keeps the puppy entertained for hours

Size: X-Large(8")

My dog loves this. I've had to buy two because my dog destroyed the first one but there's only so much you can do with a 5 month old german shepard.

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Reviewed in the United States on May 8, 2026