Consider a paradox at the heart of marketing strategy: managers devote substantial effort to determining what products should be bundled and how those bundles should be priced, yet comparatively little attention is paid to whether the message describing the bundle reflects the same value logic through which customers evaluate it. Product bundling has long been recognized as a powerful mechanism for increasing perceived value, reducing consumer search costs, encouraging trial, and enhancing firm profitability (Stremersch & Tellis 2002; Venkatesh & Mahajan 1993). Yet even carefully designed bundles often underperform when the rationale communicated to customers fails to align with the value they seek from the offering. This research proposes “communication bundling” as a theoretical construct distinct from integrated marketing communications and multichannel strategy, and introduces a synchronization matrix that quantifies product-communication alignment as the mechanism linking Quality Function Deployment (product configuration) with Elaboration Likelihood Model principles (platform-specific communication). We derive four testable propositions and evaluate them through a quasi-experimental field study of 31 companies across four industries in China over 6 months. Synchronized strategies improved ROI by 42.3% (95% CI: 38.1%-46.5%, p < .001, d = 1.47) and AI-agent-mediated conversions by 161%, compared to 38.4% among traditional consumers, a pattern consistent with algorithmic systems rewarding product-communication coherence more than human consumers do. Mediation analysis identifies alignment quality as the primary mechanism, accounting for 67% of total effects. The synchronization matrix’s alignment scores correlate strongly with subsequent performance gains (r = 0.72, p < .001), confirming the framework's predictive validity. Three of four propositions receive strong empirical support; one receives partial support. All gains resulted from reallocation of existing marketing spend rather than incremental budget increases. Methodologically, this research contributes a validated diagnostic and optimization tool for marketing analytics: the synchronization matrix generates measurable alignment scores enabling data-driven reallocation decisions. Theoretically, the findings demonstrate that in algorithmically mediated markets, alignment between product configuration and communication strategy, rather than their independent optimization, drives bundle performance. As algorithmic intermediaries expand toward conversational commerce, synchronization transitions from competitive advantage to market-access requirement.