HD 600, HD 650 or HD 660S2? All on sale now
Preview text: Sennheiser Sale: HD 600, HD 650, HD 660S2 and more HD 600 vs. HD 650 vs. HD 660S2: which…

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- HD 600, HD 650 or HD 660S2? All on sale now
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- Sennheiser Sale: HD 600, HD 650, HD 660S2 and more HD 600 vs. HD 650 vs. HD 660S2: which…
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audioadvisor.com - Brand
- Audio Advisor
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- Klaviyo
- Sent
- Wed Oct 14, 2026, 2:00 PM ET
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- 13
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- 33, 13 of them buttons
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- 43 characters
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Sent in the 2 PM hour, which holds 11% of its emails; 21% arrive in the 11 AM hour. The subject is 43 characters; its average is 39.
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- Audio Advisor <[email protected]>
- Subject
- HD 600, HD 650 or HD 660S2? All on sale now
- Date
- Wed, 14 Oct 2026 18:00:47 +0000
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- klaviyomail.com
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- k3.email.audioadvisor.com
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- d=shared.klaviyomail.com s=def1; d=email.audioadvisor.com s=mtd1
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Sent just before and after
| Oct 19, 2026 11:00 AM | Just Landed: Record Doctor XI + More New Gear | |
| Oct 16, 2026 2:30 PM | This week's demo deals: up to 67% off, most one of a kind | |
| Oct 16, 2026 1:19 AM | Don't Miss Out on Your Audio Savings! | |
| Oct 14, 2026 2:00 PM | HD 600, HD 650 or HD 660S2? All on sale now (this email) | |
| Oct 13, 2026 1:18 AM | Enjoy our welcome discount! | |
| Oct 12, 2026 9:06 AM | Still on the shelf: demo cables + Pangea up to 69% off | |
| Oct 9, 2026 9:33 AM | One of each, priced to go: this week's demo deals |
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Same ESP and the closest weekly volume, sent on Oct 14, 2026.














