The Kenwood eXcelon KMR-XM500 rates 2.8 among gauge-hole marine stereos; the Kenwood KMR-D382BT rates 2.5 among dash and panel ones. The Kenwood KMR-D382BT costs $110 less ($239 vs $349).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
The step-up version of Kenwood’s gauge-hole stereo, for a system that will run external amplifiers. If the stereo will power the speakers directly, the KMR-M300BT does the same job for less.
Amazon $349A single-DIN marine receiver for a boat that still plays CDs. Mount it under a cover or in a dry dash, since Kenwood gives it no water rating.
Amazon $239These two sit in different mount classes (gauge-hole and dash and panel), and each is scored against the reference points for its own class, so a rating says how well each does among its own mount peers. How we rank explains each factor.
| Factor weight | Kenwood eXcelon KMR-XM500 | Kenwood KMR-D382BT |
|---|---|---|
| Overall rating | 2.8/5 | 2.5/5 |
| Amplifier power 20% | 19 19 W RMS x 4 at 4 ohm | 31 22 W RMS x 4 at 4 ohm |
| Zones 15% | 0 single zone | 0 single zone |
| Pre-amp outputs 10% | 29 3 RCA output sets at 5 V | 29 3 RCA output sets at 4 V |
| Features 25% | 50 SiriusXM-ready, weather band, Bluetooth, USB playback | 50 SiriusXM-ready, phone app, Bluetooth, USB playback |
| Water rating 10% | 70 IP66 front | 50 front water rating not published (neutral score used) |
| Display 10% | 58 2.7 in color | 30 monochrome display, size not published |
| Warranty 10% | 50 2-year warranty | 0 1-year warranty |
| Kenwood eXcelon KMR-XM500 | Kenwood KMR-D382BT | |
|---|---|---|
| Audio | ||
| Amplifier power (RMS, 4 ohm) | 19 W x 4 RMS | 22 W x 4 RMS |
| Zones | 1 | 1 |
| RCA output sets | 3 at 5 V | 3 at 4 V |
| Sources and control | ||
| Bluetooth | Yes | Yes |
| USB playback | Yes | Yes |
| Phone app | No | Yes |
| SiriusXM-ready | Yes | Yes |
| NMEA 2000 | No | No |
| Wi-Fi or AirPlay 2 | No | No |
| Weather band | Yes | No |
| DAB+ | No | No |
| CD player | No | Yes |
| Camera input | Yes | No |
| Build | ||
| Mount | Gauge hole | Single DIN |
| Front water rating | IP66 | - |
| Display | 2.7 in color | Monochrome |
| Warranty | 2 years | 1 year |
