Description
🛡️
✅ 1-YEAR MANUFACTURER WARRANTY · AUTHORISED JBL PARTNER · 100% GENUINE · MAHAJAN ELECTRONICS SINCE 1981
240W · 2×6.5" woofers + 2×25mm tweeters · 18hr battery · 10-min fast charge = 2hrs · Replaceable battery (sold separately) · IPX4 · Dual mic + guitar inputs · Karaoke EQ · AI Sound Boost · Lightshow · Telescopic handle + wheels · BT + USB · JBL PartyBox app · 38.5×33.5×66.9cm · 16.5kg · JBLPBSTAGE320IN.
240W. Tennis-court filling sound.
18 hours. 10-min fast charge. Replaceable battery.
Dual mic + guitar. Lightshow. IPX4. Wheels. Party anywhere.
The JBL PartyBox Stage 320 delivers 240W from dual 6.5" woofers and 25mm dome tweeters — large enough to fill an outdoor space the size of a tennis court. 18-hour battery with 10-minute fast charge (2 extra hours) and a replaceable battery option. Dual mic inputs with guitar input and Karaoke EQ for live performance. AI Sound Boost auto-optimises output per environment. Futuristic lightshow synced to music. IPX4 splash-proof. Telescopic handle and wide wheels for full portability. JBL PartyBox app for sound and light control.
🔊 2×6.5" woofers + 2×25mm dome tweeters — floor-standing speaker in a portable body
Left 6.5" Woofer
Deep bass · kick drum · bass guitar · sub-bass punch · 40–500Hz
Left 25mm Tweeter
HF detail · cymbals · vocals · spatial width · 4–20kHz
Right 25mm Tweeter
HF detail · highs · air · stereo spread · 4–20kHz
Right 6.5" Woofer
Deep bass · bass impact · dual-woofer punch · 40–500Hz
🔋 18-hour full charge · 10-minute fast charge · replaceable battery option
🔋 Full Charge — 18 Hours
Party from evening to morning on a single charge. Full day outdoor event possible. Recharge overnight for next day.
⚡ Fast Charge — 10 Min = 2 Hrs
Battery low mid-party? 10 minutes on power gives 2 extra hours. Emergency rescue for events with power nearby.
🔄 Replaceable Battery (Sold Separately)
Swap to a fully charged spare and continue playing without charging downtime. Extends range far beyond 18 hours.
240W from dual 6.5" woofers — why dual woofers matter at this output level
A 240W speaker driving a single woofer requires that single driver to move a large volume of air at very high excursion (cone travel distance) to produce the sound pressure levels necessary for outdoor crowd coverage. At high excursion levels, a single woofer's cone begins to exhibit nonlinear behaviour — the relationship between input voltage and cone displacement becomes non-proportional, producing harmonic distortion (additional frequencies not present in the original audio signal, particularly even-order harmonics that sound "hard" or "honky" at high volume). Dual 6.5" woofers share the bass reproduction work equally — each woofer handles 120W and operates at half the excursion distance required for a single 240W woofer, keeping both drivers within their linear operating range where distortion is minimised. The dual woofer arrangement also increases the total radiating surface area (approximately twice the cone area of a single 6.5" driver), which increases the efficiency of air coupling at low frequencies — larger combined radiating area means the speakers can produce the same sound pressure level with less cone excursion, or higher sound pressure at the same excursion level. For outdoor events (the PartyBox Stage 320's primary use case), outdoor acoustics provide no room boundary reinforcement — bass energy radiates in all directions and dissipates with the square of distance. The dual 6.5" woofer's combined output provides the additional air movement necessary to maintain audible bass levels at outdoor listening distances (10–30 metres) without the compression and distortion that a single smaller driver would exhibit at equivalent input power.
AI Sound Boost + futuristic lightshow — what automatic optimisation and music-synced lighting mean in practice
JBL's AI Sound Boost technology in the PartyBox Stage 320 is an automatic DSP (Digital Signal Processor) equalisation and dynamics system that analyses the audio output and the speaker's acoustic environment to apply real-time adjustments. Unlike a fixed EQ preset (which applies the same frequency response regardless of content or environment), AI Sound Boost monitors the incoming audio signal and applies adaptive processing: at low volume levels, it applies loudness compensation (similar to the ISO 226 equal-loudness compensation described for the Marshall Monitor III and Acton III at Mahajan Electronics), boosting bass and treble relative to midrange to compensate for the ear's reduced sensitivity at low SPL; at high volume levels, it monitors driver excursion and applies dynamic limiting to prevent distortion before the woofers reach their mechanical limits; and it analyses the frequency content of the music being played to apply genre-appropriate EQ emphasis. The specific implementation of "AI" in this context refers to the algorithm's adaptive rather than static behaviour — the DSP continuously adjusts its processing based on real-time signal analysis rather than applying a predetermined fixed curve. The futuristic lightshow — featuring starry light effects, light trails, and strobe lighting — uses beat detection in the audio signal to synchronise light pattern transitions and flash timing to the music's tempo. The JBL PartyBox app provides independent control of the lightshow parameters (brightness, pattern selection, colour where applicable) separate from audio settings, enabling customisation for different event atmospheres — a children's party might use slower, gentler light patterns while a late-night DJ set uses faster strobe synchronisation.
IPX4 splash resistance + telescopic handle + wide wheels — outdoor portability engineering
IPX4 is the IEC 60529 ingress protection rating for water splash resistance from any direction. The "4" in IPX4 specifies that the enclosure is protected against water splashing from any direction — testing involves water sprayed at the device from any angle for a defined duration. IPX4 does not provide protection against immersion (IPX7 or IPX8) or water jets (IPX5 or IPX6) — it is adequate for outdoor use in rain and incidental water contact (drinks spilled nearby, light rain during an outdoor event) but not for pool parties or beach use with direct water exposure. For the Stage 320's primary outdoor event use case — gardens, terraces, farmhouses, outdoor party venues — IPX4 provides appropriate protection for unexpected weather changes without the engineering weight penalty of higher IP ratings that would increase the unit's already substantial 16.5kg mass. The telescopic handle and wide wheels address the Stage 320's primary usability challenge: at 16.5kg and 66.9cm height, the speaker is heavy and tall — not a unit that can be carried in one hand like a portable Bluetooth speaker. The telescopic handle (similar to wheeled luggage design) allows the speaker to be tipped onto its rear wheels and rolled, distributing the 16.5kg load across the wheels rather than requiring the user to lift it. Wide wheels provide stability on uneven surfaces — grass, gravel, uneven pavements — that narrow wheels would sink into or tip on. The telescopic handle also collapses for compact storage when the speaker is placed in its operating position. This mobility system is directly analogous to professional DJ equipment transport design, reflecting the Stage 320's positioning as a prosumer/professional-adjacent party speaker.
🎤 Dual mic + guitar inputs + Karaoke EQ — live performance from a party speaker
🎤 Dual Microphone Inputs
Two simultaneous mic inputs — two singers, MC + vocalist, or MC + announcer can perform live simultaneously. Karaoke EQ applies vocal-appropriate processing (presence boost, light compression) to mic signal independently from music channel. No external mixer required.
🎸 Guitar Input
Direct instrument input — acoustic guitar with pickup, electric guitar (unplugged or with effect pedal), or keyboard line-out. Enables live acoustic performance alongside streaming music for fusion events: pre-recorded backing track + live guitar + live vocals from one speaker.
⚙️ All Features
AI Sound Boost
Auto DSP optimisation per environment + volume level
Futuristic Lightshow
Starry · trails · strobe · beat-synced · app-controlled
Dual Mic Inputs
2 mics simultaneously + Karaoke EQ tuning
Guitar Input
Live instrument direct input
IPX4 Splash-Proof
Any-direction water splash resistance — outdoor safe
Telescopic Handle + Wheels
Roll 16.5kg like luggage — outdoor mobility
JBL PartyBox App
Sound EQ + lightshow control + playback management
BT + USB
Wireless streaming + USB direct playback
🎯 Ideal for
📦 What's in the Box
| Brand | JBL (Harman) |
| Model | JBLPBSTAGE320IN |
| Type | Portable Bluetooth Party Speaker — Floor Standing / Outdoor |
| Total output power | 240 Watts |
| Woofers | 2 × 6.5 Inch |
| Tweeters | 2 × 25mm (0.75") Dome Tweeters |
| Battery life | Up to 18 Hours |
| Fast charge | 10 minutes → 2 extra hours |
| Battery type | Lithium Polymer (rechargeable, included) · Replaceable battery sold separately |
| Water resistance | IPX4 — splash from any direction · not for immersion |
| Mic inputs | 2 × Microphone inputs with Karaoke EQ |
| Guitar input | Yes — direct instrument input |
| AI Sound Boost | Yes — adaptive DSP optimisation |
| Lightshow | Starry lights · trails · strobe · beat-synced · app-controlled |
| Connectivity | Bluetooth (version not stated — verify) · USB |
| App | JBL PartyBox app — sound + lightshow + playback |
| Mobility | Telescopic handle + wide castor wheels |
| Dimensions (D×W×H) | 38.5 × 33.5 × 66.9 cm |
| Weight | 16.5 kg |
| Colour | Black |
| Warranty | 1-Year Manufacturer Warranty |
🛡️ 1-Year Manufacturer Warranty + Authorised JBL Partner
240W. Dual 6.5" Woofers. 18Hr Battery. Fast Charge. Replaceable Battery. IPX4. Dual Mic + Guitar. Karaoke EQ. Lightshow. Wheels. JBL Pro Sound. 1-Year Warranty. Order today.
The party speaker for Delhi NCR farmhouse events, terrace nights, weddings, and outdoor celebrations — 240W, all night, rain or shine, karaoke ready. 24-hour delivery. GST invoice. Genuine JBL — Mahajan Electronics since 1981.
Powerful JBL Pro Sound
Rock out with powerful JBL Pro Sound from two 6.5" woofers that deliver clean, precise, deep bass even at top volume and a pair of 25mm dome tweeters that produce crystal clear highs. Indoors or out, you can fill a space the size of a tennis court with music.
Futuristic lightshow
Take all that sound and add a thrilling lightshow featuring starry lights, cool light trails, and strobe light effects—all synced to your beat.
Up to 18 hours of play time
Party from dusk till dawn with up to 18 hours of play time on a single charge. And if that's not enough, just swap out the replaceable battery* and keep on dancing. Or if you just need an extra boost, 10 minutes fast charge gets you an extra 2 hours of playtime. *Additional replaceable battery sold seperately
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