{"data":{"slug":"marshall-stanmore-iv","type":"wireless_speaker","brand":"Marshall","name":"Stanmore IV","aliases":["Marshall Stanmore 4","Stanmore IV Bluetooth speaker","1009791","1009296","1009853"],"release_date":"2026-07","url":"https://arkivo.dev/wireless-speakers/marshall-stanmore-iv","specs":{"series":null,"model_numbers":["1009791","1009793","1009296","1009298","1009853","1009854"],"gtins":["7340055423571","7340055423618"],"announce_date":"2026-07-07","status":"available","predecessor":null,"successor":null,"launch_price_usd":399.99,"launch_price_eur":399,"markets":["US","DE","FR","GB"],"colors":["Black","Cream"],"manufacturer_url":"https://www.marshall.com/us/en/product/stanmore-iv","spec_sheet_url":null,"manual_url":"https://assets.ctfassets.net/javen7msabdh/1Rv35yGbbxUe5eqN41fCsx/9c63350f5423c02844068a220dca6e81/Marshall_Stanmore_IV_OLM_260414_R1_2.pdf","eprel_registration_number":null,"warranty_years":2,"segment":"home","audio_channels":"stereo","drivers":[{"type":"Woofer","count":1,"diameter_mm":127,"width_mm":null,"height_mm":null,"rated_power_w":null},{"type":"Tweeter","count":2,"diameter_mm":19.05,"width_mm":null,"height_mm":null,"rated_power_w":null}],"passive_radiator_count":null,"total_rated_power_w":null,"mains_rated_power_w":null,"audio_output_power_claimed_w":110,"peak_power_w":null,"frequency_response_min_hz":36,"frequency_response_max_hz":38000,"signal_to_noise_ratio_db":null,"equalizer":true,"eq_bands":5,"automatic_sound_adjustment":true,"sound_modes":null,"stereo_pairing":null,"speaker_link_protocols":["Auracast"],"max_linked_speakers":null,"max_linked_speakers_bluetooth":null,"bluetooth_playback":true,"bluetooth_version":"5.3","bluetooth_codecs":["SBC","AAC","LDAC","LC3"],"bluetooth_profiles":null,"bluetooth_le_audio":true,"auracast":true,"multipoint":true,"multipoint_device_count":2,"wireless_range_m":10,"wifi":false,"wifi_standards":null,"network_audio_protocols":null,"usb_audio":null,"usb_media_playback":null,"usb_media_formats":null,"ports":[{"type":"audio_3_5mm","count":1,"role":"AUX audio input on the top panel","version":null},{"type":"rca","count":1,"role":"Stereo RCA audio input pair on the bottom panel, preamp required for turntables","version":null},{"type":"ac","count":1,"role":"Mains power input, 100 to 240 V","version":null}],"speakerphone":false,"voice_assistants":null,"controls":["Bass knob","Treble knob","Volume knob","Power switch","Media jog for play, pause and track change over Bluetooth","Customisable M-button","Source button"],"companion_app":"Marshall","companion_app_platforms":["iOS","Android"],"firmware_updatable":true,"lighting":null,"lighting_modes":null,"matter_controller":null,"thread_border_router":null,"zigbee_hub":null,"battery":false,"battery_life_h":null,"battery_life_boost_h":null,"battery_capacity_wh":null,"battery_capacity_mah":null,"battery_voltage_v":null,"battery_chemistry":null,"replaceable_battery":null,"charge_time_h":null,"quick_charge_min":null,"quick_charge_playback_h":null,"charging_input":null,"charging_input_max_w":null,"usb_power_delivery":null,"powerbank":null,"powerbank_output_max_w":null,"wireless_charging":null,"ip_rating":null,"floats":null,"drop_resistance":null,"drop_test_height_m":null,"carry_features":null,"measured_battery_life_h":null,"measured_max_spl_db":null,"measured_frequency_response_min_hz":null,"measured_frequency_response_max_hz":null,"measured_latency":null,"measured_charge_time_h":null,"dimensions_mm":{"width_mm":350,"height_mm":203,"depth_mm":185},"weight_g":3990,"materials":["MDF cabinet","PU leather covering"],"fcc_ids":null,"other_certifications":["FSC 100% certified wood for the MDF cabinet (FSC C225755)"],"in_the_box":["Stanmore IV speaker","Mains lead","Quick start guide","Legal and safety information"]},"variants":[],"sources":[{"url":"https://www.marshall.com/us/en/product/stanmore-iv?pid=1009791","kind":"manufacturer_page","accessed":"2026-10-14","fields":["manufacturer_url","model_numbers","gtins","colors","segment","audio_channels","drivers","frequency_response_min_hz","frequency_response_max_hz","bluetooth_version","bluetooth_playback","bluetooth_codecs","auracast","speaker_link_protocols","multipoint","wireless_range_m","ports","speakerphone","controls","companion_app","dimensions_mm","weight_g","materials","other_certifications","in_the_box","status","markets"],"notes":{"manufacturer_url":"Maker's US product page for Stanmore IV.","model_numbers":"Colour selector product ids 1009791 Black and 1009793 Cream, read from the page data. The German store lists 1009296 Black, 1009298 Cream, and also 1009853 Black and 1009854 Cream. John Lewis sells 1009853. Which ids differ by plug or region is not stated.","gtins":"EAN in the US page data: 1009791 is 7340055423571 and 1009793 is 7340055423618. EANs of the other ids were not found.","colors":"Colorways: Black, Cream.","segment":"Page: Bluetooth home speaker.","audio_channels":"Stereo/mono: Stereo. Sound channels of one speaker.","drivers":"One 5 inch woofer and two 0.75 inch tweeters with waveguides. Converted exactly to 127 mm and 19.05 mm. The page lists amplifier ratings only, so no per-driver power is stored. Bass-reflex cabinet, so no passive radiator.","frequency_response_min_hz":"Frequency range 36-38,000 Hz. Tolerance and mode are not stated. HeadphoneCheck prints 37 Hz, which is not used.","frequency_response_max_hz":"Frequency range 36-38,000 Hz. Tolerance and mode are not stated.","bluetooth_version":"Wireless connectivity: Bluetooth 5.3.","bluetooth_codecs":"Codecs: SBC, AAC (MPEG-2), LDAC, LC3. Receive codecs.","auracast":"Wireless connectivity lists Auracast. FAQ: Stanmore IV is an Auracast receiver and joins a broadcast from a Marshall broadcaster such as Heddon, or from phones with the Listen to Broadcast feature in the Marshall app. It does not state a broadcaster role.","speaker_link_protocols":"Multi-speaker connectivity through Auracast broadcasts. Marshall Heddon, sold separately, is the broadcaster for older Marshall speakers and for Stanmore IV.","multipoint":"Bluetooth Multipoint Connectivity: Yes.","wireless_range_m":"Bluetooth range 10 m / 32.8 ft.","ports":"Wired connectivity AUX 3.5 mm and RCA. Mains input voltage 100-240 V. Port positions and roles are from the manual.","speakerphone":"Microphone system: No.","controls":"Top panel controls: bass, treble, volume, power switch, media jog, M-button, source button.","companion_app":"Compatible apps: Marshall app.","dimensions_mm":"Physical unit: width 350 mm, height 203 mm, depth 185 mm. The product details block prints 350 x 203 x 185 mm.","weight_g":"Weight 3.99 kg / 8.79 lb.","materials":"MDF cabinet made from FSC 100%-certified material. The covering is leather-like material, named PU leather in the maker's launch release.","other_certifications":"FSC 100% certified wood (FSC C225755). The claim applies only to the wood cabinet.","in_the_box":"Box contents: Stanmore IV speaker, mains lead, quick start guide, legal and safety information.","status":"Listed on the maker store. The US store showed Sold Out with a Notify Me button on 2026-10-14. The German store and John Lewis take orders.","markets":"US store page with USD price."}},{"url":"https://www.marshall.com/de/de/product/stanmore-iv","kind":"manufacturer_page","accessed":"2026-10-14","fields":["model_numbers","markets","status"],"notes":{"model_numbers":"German store page data lists variants STANMORE IV BLACK 1009296 and 1009853, STANMORE IV CREAM 1009298 and 1009854, all priced at EUR 399.","markets":"German store sells it and shows an add to cart button.","status":"Orderable on the German store."}},{"url":"https://assets.ctfassets.net/javen7msabdh/1Rv35yGbbxUe5eqN41fCsx/9c63350f5423c02844068a220dca6e81/Marshall_Stanmore_IV_OLM_260414_R1_2.pdf","kind":"manual","accessed":"2026-10-14","fields":["manual_url","multipoint_device_count","bluetooth_le_audio","firmware_updatable","controls","ports","companion_app_platforms"],"notes":{"manual_url":"Full online manual, 260414 R1.2, English first. Combined PDF with many languages.","multipoint_device_count":"Pairing with a Bluetooth device: can connect to 2 Bluetooth devices at a time and remembers up to 8 previously paired devices.","bluetooth_le_audio":"The factory reset steps name a second Bluetooth entry, STANMORE IV [LE], which is the LE Audio device. HeadphoneCheck and Notebookcheck also state LE Audio support.","firmware_updatable":"Troubleshooting: connect to the Marshall app and follow the in-app instructions to get the latest firmware.","controls":"Top panel: AUX input, source selector, audio controls for volume, bass and treble, M-button, media control, power switch. Pull the power switch to turn on.","ports":"Top panel AUX 3.5 mm audio input. Bottom panel stereo RCA inputs, with an RIAA preamp for turntables, and the mains power input.","companion_app_platforms":"Closing page offers the Marshall app on Google Play and the App Store."}},{"url":"https://www.marshall.com/us/en/support/speakers/support-for-stanmore-iv","kind":"manufacturer_page","accessed":"2026-10-14","fields":["release_date","auracast","firmware_updatable"],"notes":{"release_date":"Maker support page: released in 2026. The month follows the launch release and first coverage.","auracast":"Stanmore IV is an Auracast receiver and can be added to a multi-speaker setup using a Marshall broadcaster such as Heddon.","firmware_updatable":"Ensure the firmware is up to date by connecting the product to the Marshall app."}},{"url":"https://group.marshall.com/2026/07/07/marshall-unveils-next-generation-acton-iv-and-stanmore-iv-speakers-for-the-home/","kind":"press_release","accessed":"2026-10-14","fields":["announce_date","release_date","materials"],"notes":{"announce_date":"Launch release dated 7 July 2026.","release_date":"Launch release of 2026-07-07. SoundGuys states both speakers were available that day.","materials":"Release names signature PU leather wrapping and an MDF cabinet from FSC 100%-certified wood."}},{"url":"https://www.soundguys.com/marshall-acton-iv-and-stanmore-iv-launch-159646/","kind":"press","accessed":"2026-10-14","fields":["launch_price_usd","release_date","announce_date"],"notes":{"launch_price_usd":"Launch article of 2026-07-07: Stanmore IV USD 399.99. TechRadar gives USD 399.99 and Tom's Guide USD 399. The US store later shows USD 429.99 and MusicTech reports that figure, so the store price changed or one outlet differs. The launch price is stored. Tax is not included in US list prices.","release_date":"Both speakers became available on 2026-07-07.","announce_date":"Published 2026-07-07, 8:00 AM ET."}},{"url":"https://www.hifi.blog/marshall-acton-iv-and-stanmore-iv-more-room-more-bass-more-marshall/","kind":"press","accessed":"2026-10-14","fields":["launch_price_eur"],"notes":{"launch_price_eur":"Article of 2026-07-08 lists Stanmore IV at EUR 399. Stereonet of 2026-07-09 also gives EUR 399. The German maker store shows EUR 399 including VAT."}},{"url":"https://www.techradar.com/audio/wireless-bluetooth-speakers/marshall-stanmore-iv-review","kind":"review_site","accessed":"2026-10-14","fields":["launch_price_usd","release_date","equalizer","eq_bands","automatic_sound_adjustment","wifi","battery"],"notes":{"launch_price_usd":"Price and release date: USD 399.99 / GBP 349.99 / AU$679, first released July 2026.","release_date":"Released in July 2026 alongside the Acton IV.","equalizer":"The Marshall app saves three EQ calibrations using a five-band equalizer. The M button cycles them.","eq_bands":"Five-band equalizer in the Marshall app.","automatic_sound_adjustment":"The app has placement compensation, which optimizes the audio output for the speaker's position. The maker page calls it room calibration. Dynamic Loudness is a separate loudness balance feature.","wifi":"Review states the speaker has no Wi-Fi connectivity.","battery":"Designed for the home and powered from the mains. No battery is mentioned."}},{"url":"https://www.headphonecheck.com/test/marshall-stanmore-iv/","kind":"review_site","accessed":"2026-10-14","fields":["audio_output_power_claimed_w","bluetooth_le_audio","equalizer","eq_bands"],"notes":{"audio_output_power_claimed_w":"Review: three Class D amplifiers, 60 W for the woofer and 2 x 25 W for the tweeters, 110 W in total. The maker lists only the amplifier ratings, with no continuous, RMS or peak basis, so the total goes in the unspecified-rating field. The review also prints 2.99 kg for the weight, which conflicts with the maker's 3.99 kg and is not used.","bluetooth_le_audio":"Review: Bluetooth 5.3 with LE Audio and Auracast support.","equalizer":"App: five presets plus a 5-band EQ with three memory slots.","eq_bands":"5-band EQ."}},{"url":"https://www.tomsguide.com/audio/smart-speakers/marshall-stanmore-iv-review","kind":"review_site","accessed":"2026-10-14","fields":["battery","wifi","speaker_link_protocols","weight_g"],"notes":{"battery":"Spec table: Battery life: Mains-powered.","wifi":"Review: Stanmore IV has no Wi-Fi streaming and no voice assistant support.","speaker_link_protocols":"Auracast-enabled and connects to its Homeline IV sibling. Multi-speaker connectivity is listed as unlimited with the Heddon hub. No numeric maximum is stored.","weight_g":"Spec table: 8.81 lbs, which matches 3.99 kg."}},{"url":"https://www.johnlewis.com/marshall-stanmore-iv-bluetooth-speaker/black/p115377417","kind":"retailer","accessed":"2026-10-14","fields":["model_numbers","markets"],"notes":{"model_numbers":"UK retailer lists manufacturer part number 1009853 for the Black model.","markets":"Sold in the UK at GBP 349.99."}},{"url":"https://www.ldlc.com/en/product/PB00747537.html","kind":"retailer","accessed":"2026-10-14","fields":["markets","wifi"],"notes":{"markets":"Sold in France at EUR 399.95 for Black.","wifi":"Retailer spec: Wi-Fi No. It also lists width 350, height 188 and depth 203 mm, which conflicts with the maker's 350 x 203 x 185 mm and is not used."}},{"url":"https://www.marshall.com/us/en/policies/warranty","kind":"manufacturer_page","accessed":"2026-10-14","fields":["warranty_years"],"notes":{"warranty_years":"US market. Marshall's policy of 2025-02-13 gives a two-year limited warranty on speakers bought from marshall.com or a US authorized dealer, counted from purchase or delivery. The maker's support page says one year for all products and an exclusive two years for purchases on marshall.com. The two pages differ for dealer purchases, so two years applies to marshall.com purchases only. Statutory rights are excluded."}},{"url":"https://www.marshall.com/us/en/support/warranty","kind":"manufacturer_page","accessed":"2026-10-14","fields":["warranty_years"],"notes":{"warranty_years":"Support page: all products carry a 1-year warranty, and speakers bought online at marshall.com carry an exclusive 2-year warranty."}}],"fields_filled":42,"updated":"2026-10-21"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}