Client: Enterprise D (Authorized Consumer Electronics & Audio Retailer in Germany)
Industry: Consumer Electronics & E-Commerce
Services Provided: Google Search Ads, YouTube Video Action Campaigns, Performance Max, GA4 Tracking Setup
KEY 60-DAY PERFORMANCE METRICS:
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+54% Online revenue growth generated via Google Ads
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3.6x Return on Ad Spend (ROAS), improved from a 2.3x baseline
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-22% Reduction in Cost Per Acquisition (CPA)
PART 1: PRODUCT OVERVIEW & MARKET POSITIONING
The campaign focused on the Sony WH-1000XM5 wireless noise-canceling headphones—a flagship device in the premium consumer audio category, priced at approximately €350 to €400. Featuring dual-processor active noise cancellation (V1/QN1), a lightweight design, and Hi-Res Audio certification, the product targets corporate professionals, remote workers, and frequent commuters seeking premium focus and comfort.
While search volume across the German market remains robust, this segment faces direct competition from alternatives like the Bose QuietComfort Ultra and Apple AirPods Max. Enterprise D held competitive advantages in authentic stock availability and reliable domestic fulfillment, but faced margin compression from steadily rising keyword auction costs on Google.
PART 2: THE CHALLENGE
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High Click Costs from Generic Queries: The previous setup allocated excessive spend to broad terms like “noise-canceling headphones” or “Kopfhörer kabellos”, driving low-intent traffic that inflated overall acquisition costs.
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Underutilized Video Formats: Audio equipment requires sensory and social proof, yet the existing strategy relied exclusively on text search ads, missing the engagement potential of YouTube.
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Tracking Discrepancies: Lacking Enhanced Conversions, the setup underreported mobile and privacy-restricted transactions, limiting Smart Bidding from optimizing toward accurate revenue signals.
PART 3: THE STRATEGY & EXECUTION
1. Data & Conversion Infrastructure: Configured Enhanced Conversions across GA4 and GTM, ensuring deterministic transaction data fed back into Google Ads to guide value-based Smart Bidding.
2. Intent-Driven Search Optimization:
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Trimmed generic discovery keywords to concentrate ad spend on brand-plus-model terms (“Sony WH-1000XM5 Angebot”, “Sony XM5 kaufen”) and direct commercial comparisons (“Sony XM5 vs Bose QC Ultra”).
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Deployed Responsive Search Ads highlighting authorized German warranty coverage, complimentary fast shipping, and seamless return policies.
3. Integrated YouTube Action & Segmented PMax:
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Launched concise 15-to-30-second YouTube video assets illustrating call-clarity in busy workspaces and all-day comfort, targeting tech-oriented and business audiences.
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Segmented the Sony WH-1000XM5 into a dedicated PMax campaign supplied with audience signals built from video viewers and past site visitors.
PART 4: THE RESULTS
Within 60 days of execution, the campaign delivered consistent efficiency gains:
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Sustainable Revenue Uplift: E-commerce sales for the XM5 lineup through Google Ads grew by 54%, providing a predictable revenue channel in the German market.
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Stronger Margin Profile: Account ROAS rose from 2.3x to 3.6x, allowing safe budget scaling while protecting operating margins.
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Controlled Acquisition Cost: CPA fell by 22%, achieved through negative keyword pruning and higher conversion rates from video-assisted traffic.
“Adstrawin helped us focus our ad spend on high-intent buyers ready to purchase the Sony XM5 instead of burning budget on generic search terms. Pairing concise YouTube video touchpoints with refined search ads delivered a noticeable improvement in our ROAS across the German market.”
— Head of Marketing, Enterprise D
