Short answer: the Bogasing S8 Pro Max. Both are rated 4.2/5 for sound quality (#24 and #23 of 82 large speakers), and the Bogasing S8 Pro Max costs $123.49 against $199.99 for the Teufel Rockster Cross, with sound quality a draw, the lower price decides it.
The case for the Teufel Rockster Cross: Pretty neutral frequency response. Watch for: Outdoor mode can sound somewhat harsh due to the 4kHz peak.
Why pick the Bogasing S8 Pro Max: A true three way stereo design in an aluminium body: a 70mm woofer, two 52mm midrange drivers and two 31mm silk tweeters angled outward, backed by two 80mm passive radiators. The catch: Its tuning is bright: the 3D mode pushes the mids and treble hard, can sound sharp or tiring at higher volumes, and sometimes adds an echo effect to vocals.
Buy the Bogasing S8 Pro Max. Both are rated the same for sound quality, and it costs $76.50 less than the Teufel Rockster Cross.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Teufel Rockster Cross | Bogasing S8 Pro Max | |
|---|---|---|
| Price | $199.99 | $123.49 |
| Ranked | #23 of 82 in Large Size Portable Bluetooth Speakers | #24 of 82 in Large Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 51Hz | - |
| Battery Life | 16 hours (Manufacturer specified) | - |
| IP Rating | IPX5 | - |
| Power Input | DC barrel jack | - |
| TWS | Yes | Yes |
| Weight | 5.3 lbs (2.4 kg) | 3.4 lbs (1.55 kg) |
| App | No | No |
| Bluetooth Codecs | SBC, aptX | SBC |
| Built-in Microphone | Yes | Yes |
| EQ | No | No |
| Party Mode | No | - |
| Power Bank | Yes (USB-A) | - |
| Stereo | Partially | Yes |
| Omnidirectional | No | No |
| Bluetooth Version | 5.0 | 5.3 |
| Dimensions | 15” x 6.3” x 5.1” (380 x 160 x 130 mm) | 4.3”H x 11.1”W x 2.6”D (110 x 281 x 65 mm) |
| Drivers | 5” woofer, 2x textile dome tweeters + 2x passive radiators | 70mm woofer + 2x 52mm midrange + 2x 31mm silk tweeters + 2x 80mm passive radiators |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 30W | 100W (40W woofer, 2x 20W midrange, 2x 10W tweeters) |
| Digital Aux Input | No | No |
| MicroSD Playback | - | Yes |
| USB Playback | - | Yes |
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Prices on this page were last checked September 26, 2026 at 11:14 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
Teufel Rockster Cross: $199.99 Amazon eBay
Newer model: the Teufel Rockster Cross 2, rated 4.2/5.
Pros: Pretty neutral frequency response. More vocal/midrange-focused than the JBL Xtreme 4, thanks to a larger mid/bass driver - better suited to rock and jazz. Nicer upper-bass detail than the JBL Xtreme 4. Punchy, well-controlled bass that suits rock music, unlike the Soundcore Boom 2 Plus’s overboosted, uncontrolled bass even at stock tuning. Clear, detailed audio with good vocal presence and solid Bluetooth codec support even a couple years after release. Measured bass extension of 51Hz (-10dB).
Cons: Outdoor mode can sound somewhat harsh due to the 4kHz peak. Not as deep or full-sounding in the bass as the JBL Xtreme 4.
Full Teufel Rockster Cross review and specifications →
| Amplifier Power | 30W |
|---|---|
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | 51Hz |
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, aptX |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 15” x 6.3” x 5.1” (380 x 160 x 130 mm) |
| Drivers | 5” woofer, 2x textile dome tweeters + 2x passive radiators |
| EQ | No |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX5 |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | DC barrel jack |
| Stereo | Partially |
| TWS | Yes |
| Weight | 5.3 lbs (2.4 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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Bogasing S8 Pro Max: $123.49 Amazon eBay
Older model: the Bogasing S8 Pro (rated 2.7/5).
Pros: A true three way stereo design in an aluminium body: a 70mm woofer, two 52mm midrange drivers and two 31mm silk tweeters angled outward, backed by two 80mm passive radiators. Its 3D mode throws a noticeably wider soundstage than mono rivals like the Bose SoundLink Plus and JBL Charge 5, and in side by side listening it came across as fuller, punchier and more detailed than both the Charge 5 and the Soundcore Motion X600. Unlike many portables it stays clean at full volume without audible compression or distortion, where the Bose SoundLink Max, Marshall Middleton and Loewe We Hear Pro all strained. Vocal mode is the most neutral preset. Plays FLAC and other lossless files from USB drives and microSD cards, has an aux input and a built-in mic, and two units pair for stereo.
Cons: Its tuning is bright: the 3D mode pushes the mids and treble hard, can sound sharp or tiring at higher volumes, and sometimes adds an echo effect to vocals. Bass is punchy but not especially deep, and the Tribit StormBox Lava, Harman Kardon Go + Play 3 and Loewe We Hear Pro all deliver warmer, fuller low end at moderate volume; the Sony ULT Field 5 also sounded richer at moderate levels. Bass mode is its quietest preset rather than its fullest. There is no app or adjustable EQ, only three fixed sound modes.
Full Bogasing S8 Pro Max review and specifications →
| Amplifier Power | 100W (40W woofer, 2x 20W midrange, 2x 10W tweeters) |
|---|---|
| App | No |
| Aux Input | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 4.3”H x 11.1”W x 2.6”D (110 x 281 x 65 mm) |
| Drivers | 70mm woofer + 2x 52mm midrange + 2x 31mm silk tweeters + 2x 80mm passive radiators |
| EQ | No |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 3.4 lbs (1.55 kg) |
- Reviews, Comparisons and Sound Samples
- Mateusz Cholewa: BOGASING S8 Pro Max 100W vs JBL Xtreme 4 Audio Test More from Mateusz Cholewa →
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- Mateusz Cholewa: JBL Charge 5 vs BOGASING S8 Pro MAX
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- Mateusz Cholewa: LOEWE We Hear Pro Super Stereo vs HiFi BOGASING S8 Pro MAX
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- Mateusz Cholewa: TRIBIT StormBox LAVA Deep Bass vs Bogasing S8 Pro MAX - HiFi?
- Mateusz Cholewa: SONY ULT Field 5 vs BOGASING S8 PRO MAX
- Dominik Reviews: Bose Soundlink Plus vs Bogasing S8 Pro Max - 3D vs Mono! More from Dominik Reviews →
- Mateusz Cholewa: LG XBOOM Bounce vs BOGASING S8 Pro Max
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