{"product_id":"klm-power™-lps-42b2ds-advance-high-voltage-amplifier-440-w-4-ω-2-ch","title":"KLM POWER™ LPS-42B2 Advance Audiophile Grade Amplifier 440 W @ 4 Ω × 2 CH.","description":"\u003cp\u003e\u003cimg src=\"https:\/\/audiomaxx.in\/cdn\/shop\/files\/klm_LPS_-_42B2-BANNER.png?v=1784650007\u0026amp;width=1536\" alt=\"KLM POWER™ LPS-42B2DS Advance High Voltage Amplifier 440 W @ 4 Ω × 2 CH.\"\u003e\u003c\/p\u003e\n\u003c!-- LPS-42B2DS Product Page - Warehouse Theme Compatible --\u003e\n\u003cdiv class=\"product-page klm-lps-42b2ds\"\u003e\n\u003c!-- Hero \/ Title --\u003e\n\u003csection class=\"product-hero\"\u003e\n\u003cdiv class=\"hero-content\"\u003e\n\u003ch3\u003eKLM POWER™ LPS-42B2 Audiophile Amplifier\u003c\/h3\u003e\n\u003cp class=\"subtitle\"\u003eAmplification Redefined. Audio Re-imagined™ — Ultra-linear, high-precision power for professional loudspeaker systems.\u003c\/p\u003e\n\u003cdiv class=\"hero-highlights\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-linear topology:\u003c\/strong\u003e Audiophile-grade precision with industry-defining low distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh power density:\u003c\/strong\u003e Up to 330 W per cubic inch in a compact vertical chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional utility:\u003c\/strong\u003e Designed for premium installed audio and live sound reinforcement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Product Overview --\u003e\n\u003csection class=\"product-overview\"\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe KLM LPS \/ Linear Power Switch is a family of ultra-linear, high-precision audio power amplifiers engineered to deliver audiophile performance in demanding professional environments. It impresses precise control upon any connected loudspeaker system, ensuring intelligibility, dynamics, and reliability in installed and live sound applications.\u003c\/p\u003e\n\u003cp\u003eThe LPS-42B2DS model combines compact form factor with exceptional power density, allowing multiple units to be stacked vertically for distributed amplification solutions without sacrificing performance or control.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- Technology Section --\u003e\n\u003csection class=\"product-technology\"\u003e\n\u003ch2\u003eCore Technology\u003c\/h2\u003e\n\u003cp\u003eAt the heart of the LPS-42B2DS is KLM’s proprietary Linear Power Switch topology, redefining professional amplification with ultra-low distortion, high damping, and wideband frequency response.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinear Power Switch topology:\u003c\/strong\u003e “The LPS redefines professional amplification with our proprietary Linear Power Switch topology, exhibiting industry defining parameters ranging from T.H.D. [\u0026lt;0.0006%] \/ Damping \/ Frequency response (6Hz–42KHz)…”\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLLC power converter:\u003c\/strong\u003e A groundbreaking LLC power converter powers the LPS over a wide input voltage, load, and temperature range, delivering uncompromised lows and crisp highs across all audio content.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-speed limiters:\u003c\/strong\u003e On-board high-speed limiters ensure clip defeat at all times for an indelible audio experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated filters:\u003c\/strong\u003e Two independent channels with graduated gain controls and selectable 24 dB\/octave low-pass \/ high-pass filters simplify system design by eliminating external crossovers and complex limiters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- Applications --\u003e\n\u003csection class=\"product-applications\"\u003e\n\u003ch2\u003eApplication Areas\u003c\/h2\u003e\n\u003cp\u003eThe LPS-42B2DS is optimized for a wide range of professional audio scenarios where clarity, control, and reliability are critical.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium installed audio:\u003c\/strong\u003e Corporate AV, hospitality, houses of worship, auditoriums, and themed venues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLive sound reinforcement:\u003c\/strong\u003e Light to medium live stage sound, small to mid-size events, and touring rigs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistributed amplification:\u003c\/strong\u003e Column-stacked deployments for multi-zone systems and scalable installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-performance playback:\u003c\/strong\u003e Reference listening rooms and critical monitoring environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- Advantages --\u003e\n\u003csection class=\"product-advantages\"\u003e\n\u003ch2\u003eKey Advantages\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-low distortion:\u003c\/strong\u003e Total harmonic distortion of 0.0006% at full power, all channels driven at 4 Ω.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional damping:\u003c\/strong\u003e Damping factor of 1860 at 4 Ω for precise voice coil motor control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide frequency response:\u003c\/strong\u003e 6 Hz–42 kHz (−3 dB roll-off) for full-range, high-fidelity reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh channel separation:\u003c\/strong\u003e \u0026gt;120 dB crosstalk performance for clean stereo imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact vertical chassis:\u003c\/strong\u003e 215 mm (H) × 60 mm (W) × 186 mm (D), stackable for space-efficient racks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust power management:\u003c\/strong\u003e Operates from 150–290 V AC @ 50 Hz with maximum input current of 5.1 A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntuitive controls:\u003c\/strong\u003e Geared gain potentiometers per channel, selectable HPF\/LPF, and clear status indicators.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- Technical Specifications (Smart Table) --\u003e\n\u003csection class=\"product-specifications\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"spec-table-wrapper\"\u003e\n\u003ch3\u003eAudio Power Output (All Channels Driven)\u003c\/h3\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003e660 W @ 2 Ω × 2 CH\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e24% duty cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003e440 W @ 4 Ω × 2 CH\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e24% duty cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003e222 W @ 8 Ω × 2 CH\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e24% duty cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-table-wrapper\"\u003e\n\u003ch3\u003ePerformance\u003c\/h3\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFrequency response\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e6 Hz – 42 kHz (−3 dB roll-off)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTotal harmonic distortion\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e0.0006% at full power, all channels driven @ 4 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eChannel separation \/ crosstalk\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e\u0026gt;120 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDamping factor\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1860 @ 4 Ω for 60 Hz sinusoidal waveform\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-table-wrapper\"\u003e\n\u003ch3\u003eInput \u0026amp; Control\u003c\/h3\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eInput sensitivity\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e+1.5 dBu for maximum power output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eInput impedance\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e33 kΩ balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eGain controls\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e2 geared potentiometers (1 per channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eActive filters\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e4 selectable HPF\/LPF (24 dB\/octave, per channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-table-wrapper\"\u003e\n\u003ch3\u003eIndicators \u0026amp; Status\u003c\/h3\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSignal \/ limiter\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e2 indicators (1 per channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePower indicator\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1 red (constant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSystem status\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1 green (pulsed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-table-wrapper\"\u003e\n\u003ch3\u003ePower Management\u003c\/h3\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003e\u003cstrong\u003eInput voltage\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e150–290 V AC @ 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003e\u003cstrong\u003eMaximum input current\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e5.1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-table-wrapper\"\u003e\n\u003ch3\u003eMechanical\u003c\/h3\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003e\u003cstrong\u003eChassis format\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eRack-mountable, vertical orientation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003e\u003cstrong\u003eDimensions (H × W × D)\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e215 mm × 60 mm × 186 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003e\u003cstrong\u003eStacking\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eDesigned to be stacked in columns for distributed amplification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Compact Q\u0026A Section --\u003e\n\u003csection class=\"product-faq\"\u003e\n\u003ch2\u003eQ\u0026amp;A\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eQ: What makes the LPS-42B2DS “audiophile-grade” in a professional environment?\u003c\/h3\u003e\n\u003cp\u003eA: Its proprietary Linear Power Switch topology delivers ultra-low distortion (0.0006% THD), high damping, and wideband response, ensuring precise control and clarity even under demanding loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eQ: Can I use the LPS-42B2DS for both installed and live sound?\u003c\/h3\u003e\n\u003cp\u003eA: Yes. It is specifically intended for premium installed audio and light to medium live stage sound reinforcement where intelligibility and performance are prime.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eQ: Do I still need external crossovers and limiters?\u003c\/h3\u003e\n\u003cp\u003eA: In many cases, no. The onboard selectable HPF\/LPF filters and high-speed limiters simplify system design by reducing the need for external processing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eQ: How does the amplifier handle power fluctuations?\u003c\/h3\u003e\n\u003cp\u003eA: The LLC power converter is designed to operate reliably across a wide input voltage range (150–290 V AC), maintaining consistent performance and protecting the system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Call to Action --\u003e\n\u003csection class=\"product-cta\"\u003e\n\u003cdiv class=\"cta-inner\"\u003e\n\u003ch2\u003eBring Hyper Amplification to Your Next Project\u003c\/h2\u003e\n\u003cp\u003eIntegrate the KLM POWER™ LPS-42B2DS into your installed or live sound system for uncompromised clarity, control, and reliability.\u003c\/p\u003e\n\u003ca class=\"btn btn--primary\" href=\"\/cart\/add?id={{%20product.selected_or_first_available_variant.id%20}}\"\u003e Add LPS-42B2DS to Cart \u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Audiomaxx India","offers":[{"title":"Default Title","offer_id":54142057513279,"sku":null,"price":42000.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0014\/5942\/1272\/files\/klm_LPS_-_42B2-BANNER5.png?v=1784651650","url":"https:\/\/audiomaxx.in\/products\/klm-power%e2%84%a2-lps-42b2ds-advance-high-voltage-amplifier-440-w-4-%cf%89-2-ch","provider":"Audiomaxx India","version":"1.0","type":"link"}