Short answer: the Minirig 4. It ranks #7 of 164 medium speakers by sound quality, rated 4.3/5, at $229.95. The Teufel Rockster Go 2 ranks #91, rated 3.2/5, at $129.99, $99.96 cheaper, which does not close the gap in sound quality.
The Minirig 4 is the better-sounding, longer-running choice. Modular, can easily attach a subwoofer. It is rated for 30 hours of battery against 15 for the Teufel Rockster Go 2. At 1.2 lbs (550 g) it weighs noticeably less than the Teufel Rockster Go 2 at 1.6 lbs (735 g). It keeps a wired aux input, which the Teufel Rockster Go 2 lacks. The catch: Calls itself splash resistant and has no official water rating.
The Teufel Rockster Go 2 is the tougher pick. At 1.6 lbs (0.74 kg), the IP67 Rockster Go 2 is genuinely easy to carry, and its claimed 28-hour battery life, USB-C fast charging, stereo pairing, and tripod mount suit outdoor use. It is rated IP67 against Splash resistant for the Minirig 4. It plays in stereo from a single unit, unlike the Minirig 4. Watch for: There is no companion app or 3.5 mm input.
Buy the Minirig 4. It is rated higher for sound quality, and the $99.96 you would save on the Teufel Rockster Go 2 does not close the gap.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Minirig 4 | Teufel Rockster Go 2 | |
|---|---|---|
| Price | $229.95 | $129.99 |
| Ranked | #7 of 164 in Medium Size Portable Bluetooth Speakers | #91 of 164 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes (Teufel Go) |
| Aux Input | Yes | No |
| Aux Latency | 0ms | - |
| Bass Extension (-10dB) | 56Hz | - |
| Battery Life | 30 hours (Manufacturer specified) | 15 hours, 28 with Eco Mode (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | AAC, SBC | SBC, AAC |
| EQ | Yes | Yes |
| IP Rating | Splash resistant | IP67 |
| Bluetooth Latency | 60ms | - |
| Maximum SPL | 106dB (measured by Alan Ross Reviews) | - |
| Power Bank | Yes (USB-C) | No |
| Power Input | USB-C | USB-C |
| Stereo | No | Yes |
| Omnidirectional | Pointing up | No |
| TWS | Yes (Bluetooth or cable) | Yes |
| Weight | 1.2 lbs (550 g) | 1.6 lbs (735 g) |
| Bluetooth Version | 5.0 | - |
| Dimensions | 4” x 2.9” (101.6 x 73 mm) (diameter x height) | 8.3” x 4.3” x 2.4” (211 x 109 x 61 mm) |
| Drivers | 70mm custom driver | 2x 50mm wide-band drivers + 1x 64mm passive radiator |
| Frequency Response | 60Hz - 18kHz (Manufacturer specified) | 60Hz - 20kHz (Manufacturer specified) |
| Amplifier Power | 50W | 8W |
| Built-in Microphone | Yes | No |
| Digital Aux Input | No | Yes (USB-C sound card) |
| Party Mode | - | Yes (Party Link, up to 100 speakers) |
| USB Playback | - | No |
| Charging Time | - | 2.5 hours (Manufacturer specified) |
| Strap | - | Yes (detachable strap) |
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Prices on this page were last checked October 4, 2026 at 9:58 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Minirig 4: $229.95 Amazon eBay
Older models: the Minirig 3 (ranked lower, rated 4.3/5) and the Minirig 2 (ranked lower, rated 4.3/5).
Pros: Modular, can easily attach a subwoofer. Finally USB-C charging. Dynamically changes sound based on forward facing or upward facing orientation. Measured bass extension of 56Hz (-10dB).
Cons: Calls itself splash resistant and has no official water rating. App is buggy. A bit expensive. Has reliability issues more often than any other speaker
Full Minirig 4 review and specifications →
| Amplifier Power | 50W |
|---|---|
| App | Yes |
| Aux Input | Yes |
| Aux Latency | 0ms |
| Bass Extension (-10dB) | 56Hz |
| Battery Life | 30 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | AAC, SBC |
| Bluetooth Latency | 60ms |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 4” x 2.9” (101.6 x 73 mm) (diameter x height) |
| Drivers | 70mm custom driver |
| EQ | Yes |
| Frequency Response | 60Hz - 18kHz (Manufacturer specified) |
| IP Rating | Splash resistant |
| Maximum SPL | 106dB (measured by Alan Ross Reviews) |
| Omnidirectional | Pointing up |
| Power Bank | Yes (USB-C) |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes (Bluetooth or cable) |
| Weight | 1.2 lbs (550 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Teufel Rockster Go 2: $129.99 Amazon eBay
Older model: the Teufel Rockster Go (ranked lower, rated 2.6/5).
Pros: At 0.74 kg, the IP67 Rockster Go 2 is genuinely easy to carry, and its claimed 28-hour battery life, USB-C fast charging, stereo pairing, and tripod mount suit outdoor use. Independent listening found a balanced, clear midrange and tuneful bass at sensible levels.
Cons: There is no companion app or 3.5 mm input. Reviewers found it loses some definition at maximum volume, and the claimed battery figure is optimistic for loud outdoor playback.
Full Teufel Rockster Go 2 review and specifications →
| Amplifier Power | 8W |
|---|---|
| App | Yes (Teufel Go) |
| Aux Input | No |
| Battery Life | 15 hours, 28 with Eco Mode (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC |
| Built-in Microphone | No |
| Charging Time | 2.5 hours (Manufacturer specified) |
| Digital Aux Input | Yes (USB-C sound card) |
| Dimensions | 8.3” x 4.3” x 2.4” (211 x 109 x 61 mm) |
| Drivers | 2x 50mm wide-band drivers + 1x 64mm passive radiator |
| EQ | Yes |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) |
| IP Rating | IP67 |
| Omnidirectional | No |
| Party Mode | Yes (Party Link, up to 100 speakers) |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| Strap | Yes (detachable strap) |
| TWS | Yes |
| USB Playback | No |
| Weight | 1.6 lbs (735 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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