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Sennuopu K400.2D：Digital Full-Range Car Amplifier-High Power Audio Boost for Clear Bass Mids is a compact yet powerful Class D amplifier delivering 800W in bridged mode, with an expansive frequency response (20Hz–36kHz). Equipped with high-efficiency MOSFETs for smooth DSP integration, it ensures reliable, distortion-free performance for demanding audio setups.
Designed as a full-range amplifier , the K400.2D excels in DSP-driven setups , bypassing conventional crossover management. Its 20Hz–36kHz frequency range ensures precise sound reproduction , making it ideal for subwoofers, woofers, and tweeters .
The K400.2D delivers high-efficiency power output (THD=1%) , with an RMS rating of 2 x 150W @ 4Ω, 2 x 260W @ 2Ω, and 2 x 400W @ 1Ω . In bridged mode, it produces 1 x 520W @ 4Ω and 1 x 800W @ 2Ω . Featuring a signal-to-noise ratio >88dB , it ensures exceptional clarity and dynamic performance .
Engineered for rock-solid performance at 1Ω, 2Ω, and 4Ω , the K400.2D adapts effortlessly to single or multiple subwoofers . No matter your setup, it delivers unwavering power and pristine sound quality every time.
At its core, the K400.2D features a high-performance MOSFET power supply , engineered for optimal efficiency and stability . This advanced system ensures smooth operation , reducing heat buildup and energy waste while delivering uninterrupted, powerful audio performance .
Designed with top-tier components and expert craftsmanship , the K400.2D delivers exceptional resilience under high-power operation. Its sturdy design ensures unwavering dependability , offering peace of mind that your amplifier will perform flawlessly over time.
With adjustable input sensitivity from 0.6V to 10V , the K400.2D effortlessly syncs with any head unit or DSP , regardless of output level, ensuring optimal integration into your audio setup..
The size is only 173x 113 x 47mm, the weight is 1.2 kgs, K400.2D is compact enough, suitable for the installation with DSP and multiple amps, without taking up too much space. Black wire drawing aluminum alloy radiator, and carved logo in the center of the front, showing the strong cultural heritage of "SENNUOPU"
| Specification (K400.2D) | |||
| Impedance | POWER(W) | Current draw(A) | Efficiency(%) |
| 4Ω(W) | 150W*2CH | 24.8A | 88% |
| 2Ω(W) | 260W*2CH | 45A | 80% |
| 1Ω(W) | 400W*2CH | 75A | 72% |
| Bridged 40(W) | 520W*1CH | 45.5A | 80% |
| Bridged 20(W) | 800W*1CH | 74.5A | 72% |
| S/N (-dB) Unweighted Full Power (1% THD) | -88dB | ||
| Frequency response(Hz) | 20HZ-36KHZ | ||
| Channel separation(dB) | -57dB | ||
| Input sensitivity (V) | 610MV-10V | ||
| Input method | Unbalanced | ||
| Input modes | RCA | ||
| Turn on mode | REM | ||
| Remote gain range (V) | 610MV-10V | ||
| Standby current(no signal)(mA) | 0.7A | ||
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No. 4 West Fourth Lane, Second Economic Cooperative, Wuhua Village, Xinhua Street, Huadu District, Guangzhou, Guangdong,China
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