Welcome to OSCA Shop

We’re here to help you navigate car audio properly. We take pride in guiding enthusiasts of all levels, whether it’s a simple upgrade or a full system build.

Need Help? Talk to an expert

Product details

Advanced Specifications
  • Product type: Hi-Res audio media player
  • Playback resolution: Up to 192kHz / 24bit
  • System sampling rate: 192kHz / 32bit
  • Design: Hide-away 1DIN media box with separate controller
  • Display: High-resolution colour screen
  • USB ports: 3 (1 front / 2 rear)
  • Bluetooth audio: LDAC / AAC / SBC
  • Built-in amplifier: 4 x 50W max
  • Rated power: 25W RMS x4 @ 4Ω, 14.4V, 10% THD
  • High-level inputs: 4 channels
  • AUX inputs: 2 channel RCA
  • High-level outputs: 4 channels
  • RCA outputs: 6 channels
  • Digital outputs: Optical TOSLINK, coaxial
  • EQ: 31-band parametric EQ across 6 channels
  • Crossover: 3-way digital crossover
  • Time correction: Digital time correction
  • Supported formats: MP3, WMA, AAC, MP4, WAV, FLAC, APE, DSD
  • USB storage support: Up to 2TB
  • Maximum song count: 10,000
  • File systems: FAT16/32, NTFS, exFAT
  • THD+N: ≤ 0.03%
  • Signal-to-noise ratio: ≥ 98dB
  • Frequency response: 20Hz – 40kHz (+/-1.5dB)
  • Input voltage: High level 32Vpp, RCA 8Vpp
  • Output voltage: High level 28Vpp, RCA 12Vpp
  • Operating voltage: 9V – 16V
  • Standby power consumption: ≤ 0.1W
  • Remote start input: High level (FL+/FL-), ACC optional
  • Remote start output: 12V (0.2A)
  • Main unit dimensions: 178 x 144 x 50 mm
  • Controller dimensions: 122 x 12 x 54 mm
  • Weight: 0.77kg
  • Radio tuner: None
  • DAB+: Not included
  • Bluetooth hands-free: Not supported
Key Features
  • Delivers true hi-res playback without forcing a full head unit replacement
  • Hide-away design makes clean integration much easier in modern vehicles
  • Built-in amplification allows standalone use without immediately needing external amps
  • Optical, coaxial, and 6-channel RCA outputs give plenty of room to grow the system
  • Onboard EQ, crossover, and time correction provide real tuning capability from the source
Best Suited For
  • Factory-retain upgrades focused on source quality
  • Standalone Alpine Status systems
  • DSP-based builds using optical or coaxial output
  • Users with hi-res music libraries on USB or smartphone
  • Installations where a traditional aftermarket head unit is not the right fit
Why OSCA Backs This Product

If you want better source quality without rebuilding the dash around a conventional head unit, this makes a lot of sense. It gives you proper hi-res playback, useful tuning, and strong expansion options while still working alongside the factory radio.

Hi-Res Audio Made Accessible

Drawing on the engineering and design philosophy behind Alpine’s third-generation AlpineF#1Status system, the HDS-990 brings genuine High-Resolution Sound into a more accessible and flexible format. It is designed for listeners who want a more refined, studio-like experience in the car, with the freedom to build an Alpine Status system their own way.

The HDS-990 is made to work alongside your existing radio while delivering true hi-res playback from USB and smartphone sources, all through a compact controller and hide-away media box that suit modern custom installs. It is a smart, premium source solution that makes Alpine Status sound more achievable without losing the performance focus that defines the range.

REAL CAR AUDIO

Backed by People Who Live it

About Alpine Car Audio🎌


When Alpine began in Japan back in 1967, few could have predicted the influence it would have on the modern car audio scene. From its early roots in audio electronics, Alpine has grown into one of the most recognised names in in-car entertainment, known for intelligent engineering, reliable build quality, and clean, musical sound. More than half a century later, the brand remains a trusted choice for everything from simple factory upgrades to more refined sound-quality systems, offering a strong balance of performance, usability, and long-term dependability for drivers and enthusiasts alike.

Learn more about our brands

Fast Dispatch

Orders processed within 24 hours

Authorised Australian Seller

Genuine products from verified suppliers

Standard 12-Month Warranty

Manufacturer warranty on all products

Expert Support Available

Technical assistance from audio specialists