{"product_id":"rotel-rmb-1504-4-channel-custom-installation-amplifier","title":"Rotel RMB-1504 4-Channel Custom Installation Amplifier","description":"\u003ch2\u003eRotel RMB-1504 4-Channel Custom Installation Amplifier Key Features:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 channels delivering 70W per channel into 8 ohms (115W into 4 ohms) –\u003c\/strong\u003e Provides powerful, precise amplification ideal for driving overhead or multi-room speakers with clarity and control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass AB amplifier design –\u003c\/strong\u003e Balances warm, natural sound with efficient power delivery for refined audio performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-engineered toroidal transformer and high-efficiency capacitors –\u003c\/strong\u003e Ensure fast, accurate transient response and consistent bass control across various speaker loads and distances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-volt trigger input and output with user-selectable audio signal sensing –\u003c\/strong\u003e Enables automated power management and energy savings in multi-zone setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront panel volume attenuators and audio output linking –\u003c\/strong\u003e Offer convenient zone-level volume control and flexible source distribution options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-way binding posts –\u003c\/strong\u003e Provide secure, professional-grade speaker connections for reliable performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack mount kit included (rack ears in select markets) –\u003c\/strong\u003e Simplifies integration into professional or custom installation racks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpertly engineered for versatility and long-term reliability –\u003c\/strong\u003e Delivers consistent, high-quality sound tailored for demanding home theater and multi-room applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Description:\u003c\/h2\u003e\n\u003cp\u003eThe RMB-1504 is a Class AB 4-channel amplifier that reflects Rotel’s six-decade legacy of uncompromising performance and expert in-house craftsmanship. Designed for versatility, it delivers both power and precision, making it an excellent choice for home theater systems and custom multi-room audio installations alike.\u003c\/p\u003e\n\u003ch2\u003eEngineered with care.\u003c\/h2\u003e\n\u003cp\u003eThe RMB-1504 is a high-performance 4-channel Class AB amplifier that reflects over 60 years of Rotel’s audio engineering expertise. Delivering 70 watts per channel into 8 ohms and 115 watts into 4 ohms, it provides the ideal balance of power and refinement for driving object-based overhead speakers in home theaters and meeting the demands of custom multi-room audio installations.\u003c\/p\u003e\n\u003cp\u003eDesigned for maximum versatility, the RMB-1504 features 12-volt trigger input and output, user-selectable audio signal sensing, front panel volume attenuators, audio output linking, 5-way binding posts, and a rack mount kit (with rack ears included in select markets).\u003c\/p\u003e\n\u003cp\u003eA precision-engineered toroidal transformer and high-efficiency capacitors power an array of high-current output transistors, delivering fast, accurate transients and consistent bass control—even across varying speaker loads and cable distances. This consistent performance enables flexible speaker placement without compromising audio fidelity.\u003c\/p\u003e\n\u003cp\u003eMeticulous component selection and thoughtful circuit design ensure that the RMB-1504 meets Rotel’s uncompromising standards for sound quality, efficiency, and long-term reliability.\u003c\/p\u003e\n\u003ch2\u003eSpecifications: \u003c\/h2\u003e\n\u003ctable style=\"width: 100.059%; height: 378.938px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 35.5938px;\"\u003e\n\u003ctd style=\"width: 47.5973%; height: 35.5938px;\"\u003e\n\u003cp\u003eFront Panel Height\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 49.8478%; height: 35.5938px;\"\u003e\n\u003cp\u003e3U \/ 132.6 mm (5.25\")\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5938px;\"\u003e\n\u003ctd style=\"width: 47.5973%; height: 35.5938px;\"\u003e\n\u003cp\u003ePower Requirements\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 49.8478%; height: 35.5938px;\"\u003e\n\u003cp\u003e120V, 60Hz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5938px;\"\u003e\n\u003ctd style=\"width: 47.5973%; height: 35.5938px;\"\u003e\n\u003cp\u003ePower Consumption\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 49.8478%; height: 35.5938px;\"\u003e\n\u003cp\u003e450W\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5938px;\"\u003e\n\u003ctd style=\"width: 47.5973%; height: 35.5938px;\"\u003e\n\u003cp\u003eStandby Power Consumption\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 49.8478%; height: 35.5938px;\"\u003e\n\u003cp\u003eStandby: \u0026lt; 0.5WSignal Sense: 1W\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5938px;\"\u003e\n\u003ctd style=\"width: 47.5973%; height: 35.5938px;\"\u003e\n\u003cp\u003eBTU Rating\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 49.8478%; height: 35.5938px;\"\u003e\n\u003cp\u003e810 BTU\/h\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 46.5938px;\"\u003e\n\u003ctd style=\"width: 47.5973%; height: 46.5938px;\"\u003e\n\u003cp\u003eContinuous Power Output\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 49.8478%; height: 46.5938px;\"\u003e\n\u003cp\u003e4 x 70W\/Ch (All channels driven, 8Ω)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5938px;\"\u003e\n\u003ctd style=\"width: 47.5973%; height: 35.5938px;\"\u003e\n\u003cp\u003eTotal Harmonic Distortion (THD)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 49.8478%; height: 35.5938px;\"\u003e\n\u003cp\u003e(20Hz–20kHz, 8Ω) \u0026lt; 0.03%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5938px;\"\u003e\n\u003ctd style=\"width: 47.5973%; height: 35.5938px;\"\u003e\n\u003cp\u003eFrequency Response\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 49.8478%; height: 35.5938px;\"\u003e\n\u003cp\u003e10Hz - 100kHz ±1dB\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 47.5938px;\"\u003e\n\u003ctd style=\"width: 47.5973%; height: 47.5938px;\"\u003e\n\u003cp\u003eS\/N Ratio (IHF \"A\" Weighted)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 49.8478%; height: 47.5938px;\"\u003e\n\u003cp\u003e115dB\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5938px;\"\u003e\n\u003ctd style=\"width: 47.5973%; height: 35.5938px;\"\u003e\n\u003cp\u003eGain\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 49.8478%; height: 35.5938px;\"\u003e\n\u003cp\u003e26dB\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003eDimensions and Weight: \u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eOverall - \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eDimensions (W × H × D)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e431 × 144 × 443 mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eDimensions (W × H × D)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e17\" × 5.7\" × 17.5\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Weight -\u003c\/strong\u003e 14.9 kg (32.8 lbs.)\u003c\/p\u003e","brand":"The Music Room","offers":[{"title":"Default Title","offer_id":51254885941529,"sku":"3294newROTL","price":1599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/4225\/1545\/files\/Rotel_RMB-1504_4-Channel_Custom_Installation_Amplifier_1.jpg?v=1764833321","url":"https:\/\/tmraudio.com\/products\/rotel-rmb-1504-4-channel-custom-installation-amplifier","provider":"The Music Room","version":"1.0","type":"link"}