Three Radios, One Platform — Which One Is Right for Your Street Glide?
If you're upgrading the audio on a 1998–2013 Harley-Davidson Street Glide, Electra Glide or Ultra, Soundstream's Reserve lineup gives you three purpose-built options: the WHD.SG, the WHD.9813, and the SG.V2. All three support wireless Apple CarPlay and Android Auto. All three are genuine, significant upgrades over the factory unit. But they're aimed at different riders with different priorities — and the price gap between them reflects real capability differences.
This comparison breaks down the 1998–2013 Street Glide head unit upgrade options clearly, so you can find the right one without second-guessing it later.
Quick Comparison
| Feature | WHD.SG | WHD.9813 | SG.V2 |
|---|---|---|---|
| Best for | Big batwing look, physical buttons | Factory-opening fit, sharp screen | Maximum features, flagship build |
| Screen | 7″ | 7.7″ high-res, anti-reflective | 8.2″ 1000 NIT ultra-bright |
| Physical buttons | Yes | No (on-screen panel) | Platform-dependent |
| EQ | 13-band, 1 custom slot | 15-band, 2 custom slots | 15-band, 2 custom slots |
| Independent front/rear crossovers | No | Yes | Yes |
| Built-in GPS navigation | No | No | Yes (iGo Primo — AU maps sold separately) |
| iDataLink Maestro | No | No | Yes (2009–2013 only) |
| Wireless headset audio | No | No | Yes (rider + passenger) |
| Rally Mode | No | No | Yes |
| Built-in amp | ~20W RMS/ch | ~20W RMS/ch | 200W Class-D, 2Ω stable |
Fit and Form Factor
Start here — it shapes everything else.
The WHD.SG fills the larger batwing fairing opening, spanning the full face of that panel the way the WHD.RG fills the Road Glide snout. If you want the radio to make a visual statement and fill that space with a Street Glide-specific look, this is the unit. For riders who mainly want modern CarPlay and Android Auto functionality in a large Street Glide-specific display with physical controls — without stepping into the full SG.V2 feature set — the WHD.SG still makes a lot of sense.
The WHD.9813 fits in the factory radio opening — the same cutout as the original unit, edge to edge. It's compatible across Street Glide, Road Glide, Ultra and Electra Glide. If a clean factory-integrated look is the goal, or if you want one radio that works across multiple Harley platforms, the 9813 is the right fit.
The SG.V2 is a direct OEM-replacement for the 1998–2013 Street Glide and batwing Ultra platform — it mounts in the factory location using OEM hardware, with no brackets or trim rings, and accepts the factory AM/FM antenna without adapters. Of the three, it's the most purpose-engineered for this specific platform, and the feature set reflects that.
Screen Size and Display Quality
The SG.V2 has the largest display at 8.2 inches widescreen and the brightest at 1000 NITs. In direct Australian sunlight — the real-world test for any motorcycle display — that brightness matters significantly. The capacitive touchscreen is fast and responsive, and the widescreen format works well for both navigation and media control.
The WHD.9813 has a 7.7-inch screen that shares the same high-resolution panel and processor technology as the SG.V2 platform. It's the highest-resolution display Soundstream has put into a radio that fits the factory opening. In side-by-side comparisons it can appear slightly less bright than the SG.V2, but its notably non-reflective panel performs well in direct sunlight — often better than indoor comparisons suggest.
The WHD.SG has a 7-inch screen — a good display, but the baseline of the three on resolution and brightness.
Connectivity and Source Options
All three cover the same core sources:
- Wireless Apple CarPlay and Android Auto (wired USB also available)
- AM/FM radio
- Sirius XM ready (SXV300 tuner sold separately — note SiriusXM is not available in Australia, but the hardware capability is present)
- Bluetooth audio and phone
- USB flash drive audio playback
- Backup camera input
Where the SG.V2 pulls significantly ahead:
iDataLink Maestro integration (2009–2013 models). With a Maestro RR2 module added, the SG.V2 displays up to 10 real-time digital gauges from 40+ parameters — oil pressure, fuel level, engine temperature and more — directly on screen, with pop-up warnings. Handlebar thumb controls become fully programmable through Maestro. Available on 2009–2013 bikes only; the SG.V2 installs and operates on 1998–2008 models but CAN bus integration is not available on those years.
Built-in iGo Primo GPS navigation. The SG.V2 includes standalone GPS navigation that works independently of your phone — useful when you're out of cell range. A magnetic-mount GPS antenna is included. Note: Australian maps are not pre-loaded and must be purchased separately via Naviextras.com. For most Australian riders, Apple Maps or Google Maps via CarPlay or Android Auto is the more practical day-to-day solution; the built-in GPS is the backup when mobile coverage isn't available. Neither the WHD.SG nor WHD.9813 include standalone navigation — their included GPS antenna supports general positioning functions for connected navigation apps.
Wireless headset audio. The SG.V2 pairs up to two Bluetooth headsets — rider and passenger — for wireless audio, with no WHIM module required. Configure each headset to receive GPS navigation prompts, music, or both. This doesn't exist on the WHD.SG or WHD.9813.
Rally Mode. Broadcasts your audio stream to up to 300 Rally Mode-equipped riders within 100 metres. Useful for club runs and group touring. Not available on the other two radios.
Built-In Amplifier Power
The SG.V2 has a 200W 4-channel Class-D amplifier built in, 2-ohm stable. That's a meaningfully more powerful internal amp than the other two, which both measured just over 20W RMS per channel in testing.
In practice, most riders adding an external amplifier will bypass the internal amp and run through the 5V RCA preamp outputs — which all three radios include for front, rear and subwoofer. But for riders who want a solid single-unit upgrade without adding a separate amp, the SG.V2's built-in output gives you considerably more headroom before the next step. When you're ready to go further: Cicada Audio amplifiers for Harley Touring.
Sound Control
All three radios include proper audio control — digital EQ, high-pass crossover filtering, subwoofer output control, and 5V RCA preamp outputs for front, rear and subwoofer. The difference is how much control each gives you.
The WHD.SG has a 13-band EQ with ±12 dB of adjustment and one custom EQ slot alongside presets. Its high-pass filter is global — front and rear speakers share the same crossover point.
The WHD.9813 and SG.V2 both step up to a 15-band EQ with two custom EQ slots — so you can store separate profiles for different content or riding conditions. Both also offer independent front and rear crossovers, letting you set different high-pass points for different speaker sizes without compromise. If you're running an external amplifier with its own crossovers (the recommended approach for any serious build), you'll likely be setting crossovers at the amp anyway — but the independent crossovers at the head unit level remain useful for system-level control.
A practical note on EQ presets across all three: the presets tend to boost the signal more than is useful at higher volumes. The custom EQ slots are what you'll actually be using for day-to-day tuning.
Controls and Interface
The WHD.SG has physical hard buttons for volume, home, CarPlay/Android Auto shortcut, voice assistant, power, daytime/nighttime mode, EQ, phone pairing and settings. If you prefer tactile controls you can find without looking away from the road, this is the most straightforward option.
The WHD.9813 moves functions to a hidden on-screen panel accessed by tapping the Soundstream logo — volume, brightness, mode, pairing, settings and mute, plus a large clock display. No hard buttons, but significant screen real estate gain. It adds programmable long-press handlebar controls: through the settings menu, assign each long press to home, CarPlay/Android Auto, radio source or camera input. No external module required.
The SG.V2 supports full customisation of handlebar thumb controls through iDataLink Maestro integration (2009–2013), giving a deeper level of programming than either of the other two when running the Maestro module.
All three include built-in handlebar control integration with no additional modules required, IPX5 marine rated. Standard pre-programmed functions are the same across all three: volume, track, station, source and mute.
Installation Notes
All three are plug-and-play replacements using the original harness connectors. Each includes a replacement USB port for fairing access. All three also include a GPS antenna — on the WHD.SG and WHD.9813 this supports positioning for connected navigation apps; on the SG.V2 it's a magnetic-mount antenna for the built-in iGo navigation system. The antenna requires routing into the fairing on all three.
If you're on a pre-2006 bike with factory rear speakers, check the rear speaker connector before purchasing — these radios use the newer, larger connector and may require an adapter on older bikes.
For CVO and Ultra models fitted with a Harman/Kardon amplifier: Harman amplifiers cannot be retained when installing the SG.V2 and must be replaced. Check your amplifier brand before ordering. Contact MAA if unsure.
Which One Is Right for You?
The simplest rule: the WHD.SG for the Street Glide-specific look with physical controls. The WHD.9813 for the sharper screen, better audio control and broader platform fit. The SG.V2 when you want everything — GPS, Maestro gauges, wireless headsets, Rally Mode and the most powerful built-in amp — in a single unit.
WHD.SG — right for you if:
- You want the large-format screen filling the Street Glide batwing fairing
- You prefer physical hard buttons
- You want modern CarPlay/Android Auto without stepping into the full SG.V2 feature set
WHD.9813 — right for you if:
- You want the factory-opening fit with the highest-resolution screen at that size
- You want independent front/rear crossovers and two custom EQ slots
- You want programmable long-press handlebar controls
- You may be fitting this radio across different Harley platforms
SG.V2 — right for you if:
- You want the largest, brightest screen of the three
- You want built-in GPS navigation that works off-phone (Australian maps sold separately)
- You want iDataLink Maestro integration for digital gauges and advanced handlebar programming (2009–2013)
- You want wireless headset audio for rider and passenger without a WHIM module
- You want Rally Mode for group rides
- You want the most powerful built-in amplifier of the three
View all three: Soundstream WHD.SG · Soundstream WHD.9813 · Soundstream SG.V2 · Full Soundstream Reserve range