About the Alpine HDP-D90 Alpine Status high-resolution audio system Alpine designed its Status System components for high-resolution audio playback. Their Status Series digital receiver, amp, speakers, and subs were designed to work together and play your 192kHz/24bit digital music streaming files with high-quality, studio-level purity and sonic fidelity. Multi-channel high fidelity power Your car's multi-speaker high-resolution audio system needs lots of power and precise tuning to sound its best — and Alpine's HDP-D90 Status Series amplifier and digital processor provide it with stylish good looks plus practical integration and fine-tuning features. You won't believe how many more details you'll hear that were missing in your music before installing this amplifier, thanks to its high-fidelity digital inputs and sound processing. The amp provides eight output channels of 50 watts RMS each, plus four channels of 80 watts RMS each — each with a wide, high-definition frequency response that improves your music's realism and presence. It's perfect for powering front tweeters, midrange, and mid-bass components, rear full-range speakers, plus a couple of subwoofers from bridged channels — or whatever other combinations you can dream up. Works with factory radios If you're leaving the factory stereo intact, all the audio functions that were available in your system will still work after upgrading the power of each individual speaker by routing the factory signals through the amplifier. The HDP-D90 can handle pre-processed factory signals up to 80 watts per channel, so even your vehicle's premium amplified system can be upgraded without losing features. Fine-tuning the sound The HDP-D90 features 14 channels of digital sound processing (DSP) controlled by Alpine's HDP DSP tuning app running on your laptop or PC, or their HDP-D90 mobile phone tuning app via Bluetooth® connection to your device. Each channel features sophisticated sound controls, including a 31-band EQ, a wide variety of crossover filters, phase control, and time delay. Product highlights: 12-channel car amplifier with digital processing 50 watts RMS x 8 + 80 watts RMS x 4 at 4 ohms 50 watts RMS x 8 + 160 watts RMS x 2 bridged at 4 ohms Class D amp technology 100 dB signal-to-noise ratio, 0.01% distortion frequency response: 20-40,000 Hz digital signal processing (192 KHz, 32-bit sampling rate) adjustments and settings made via Alpine's HDP DSP tuning app on your laptop or PC and mobile tuning app on your compatible Bluetooth device 31-band parametric and graphic EQ high- and low-pass filters with selectable filter type, crossover point, and slope phase and delay adjustment controls 6 sound effects presets More info: optional wired remote controller (source, volume, bass, presets) 10-channel processed RCA preamp outputs matrix mixing assignable inputs: 12-channel high-level harness (handles up to 26 Vrms) 2-channel RCA coaxial and optical digital Bluetooth streaming (receiver/dongle included) wiring and hardware not included with amplifier 4-gauge power and ground wires recommended fuse rating: 30A x 2 dimensions: 11"W x 2-5/16"H x 10-1/2"D warranty: 1 year MFR # HDP-D90 Item # 500HDPD90 California customers: Please click here for your Proposition 65 WARNING. What's in the box: If you need assistance accessing this owner's manual, please give us a call. 14-Channel audio processor/amplifier 6" 26-Pin Input harness Bluetooth module with attached 6" cable (RJ-45) 5' USB cable (type-A to type-B) 2 Mounting brackets Four 3/4" screws Four 6mm machine screws 4 Spare speaker output set-screws 1/8" Brass plug Quick Reference Guide Guide addendum Warranty information Registration information Features & specs Performance RMS Power Output (Watts x Channels) 50 x 880 x 4 Peak Power Output (Watts x Channels) --- Power at 2 Ohms (Watts x Channels) N/A Power at 1 Ohm (Watts x Channels) --- Bridged Power (Watts x Channels) 160 x 2 Minimum Impedance Bridged 4 Minimum Impedance Unbridged 4 Best Frequency Response 20Hz-40k Hz THD at Rated RMS Power 10% Signal to Noise Ratio 110 dB Input Voltage 14.4v Features Amplifier Class D Built-in DSP Yes Remote Control Optional controller Low-Pass Crossover Frequency 20Hz-40kHz Low-Pass Slope (dB/octave) 6, 12, 18, 24, 30, 36, 42, 48 dB/ocatve High-Pass Crossover Frequency 20Hz-40kHz High-Pass Slope (dB/octave) 6, 12, 18, 24, 30, 36, 42, 48 db/octave Bass Boost No Bass Boost Frequency N/A Fan Cooled No Fuse Rating 70 Speaker Level Inputs Yes Preamp Outputs 10 Width (inches) 11 Height (inches) 2-5/16 Depth (inches) 10-1/2 Parts Warranty 1 Year Labor Warranty 1 Year Features Overview: The Alpine HDP-D90 Hi-Resolution Digital Sound Processor/Amplifier lets you integrate aftermarket amplifiers and speakers into your vehicle without replacing the factory headunit. The processor/amplifier can also be used with any aftermarket head unit. The HDP-D90 features 10-band parametric or graphic EQ on each input channel and 31-band parametric or graphic EQ on each output. Combined with high- and low-pass filters as well as time correction for each channel, the HDP-D90 offers unprecedented tone shaping control. The Alpine processor features 12-channels of high-level input from your factory or aftermarket head unit, along with 2-channels via RCA, Optical, or Coax digital inputs. Outputs include 10 preamp outputs and 12 amplified outputs, all assignable via a mixing matrix. The HDP-D90 can connect to a Windows PC via USB for making all of your adjustments. A Bluetooth adapter is included for streaming Bluetooth audio to the HDP-D90. Note: The Alpine HDP-D90 requires a 4 AWG amplifier wiring kit which must be purchased separately. Inputs & Outputs Inputs: The Alpine processor features 14 speaker-level inputs that can accept either low-level signals up to 8V or high-level signals up to 26V. In addition, the HDP-D90 includes an additional 2 input channels via a pair of RCA jacks, optical (Toslink), and a coaxial (RCA) S/PDIF digital input, letting you play music from an in-vehicle CD or DVD player. An included external Bluetooth module lets you stream audio from your smartphone or tablet. The RCA, optical, coaxial, and Bluetooth inputs can be blended in with the output signal via a Mix page in the PC Software. These range from a simple 2-channel input all the way up to more complex 14-channel input configurations, allowing individual tweeter, midrange, and woofer inputs to be matrixed to any of the outputs. Input channels can be Linked together when using stereo inputs, allowing channel settings to be applied to both simultaneously. Outputs: The HDP-D90 includes 10 pre-amp level output channels for running to outboard amplifiers (sold separately). Twelve high-level outputs can provide the following output power to your speakers (rated @ 4-ohms, 14.4V, 10% THD): Channels 1-8: 50W RMS x 8 Channels 9-12: 80W RMS x 4 Channels 9-12 (bridged): 160W RMS x 2 DSP Processing: The HDP-D90 features a sampling rate of 192kHz/32-bit for internal signal processing, and 192kHz/24-bit Hi-Res audio playback resolution. The processor/amplifier also has a S/N ratio of >110dB with
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